{"id":6856,"date":"2023-05-10T17:10:21","date_gmt":"2023-05-10T15:10:21","guid":{"rendered":"https:\/\/retrofixer.it\/?page_id=6856"},"modified":"2023-05-18T10:11:17","modified_gmt":"2023-05-18T08:11:17","slug":"calcolatori","status":"publish","type":"page","link":"https:\/\/retrofixer.it\/en\/calcolatori\/","title":{"rendered":"Calculators"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6856\" class=\"elementor elementor-6856\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a040a57 e-flex e-con-boxed e-con e-parent\" data-id=\"a040a57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f81a865 elementor-widget elementor-widget-text-editor\" data-id=\"f81a865\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"color: #6b6; font-size:20px;\">In questa pagina troverete strumenti utili per i vostri circuiti.<\/h5>\n<p>Come calcolare la corrente, la resistenza, la tensione o la potenza assorbita di un circuito:<br>Selezionare l&#8217;unit\u00e0 di misura ed i valori noti, premere su calcola per calcolare tutte le altre misure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-346e082 e-con-full e-flex e-con e-parent\" data-id=\"346e082\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-865746d elementor-widget__width-initial elementor-widget elementor-widget-html\" data-id=\"865746d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"mycheck\">\n<h3>Calcolo legge di Ohm<\/h3><hr>\n    <form>\n    <input type=\"number\" id=\"v1\" name=\"v1\">\n<select id=\"val1\" onchange=\"checkval();\">\n<option value=\"none\" selected disabled hidden>Seleziona un valore<\/option>\n    <option value=\"v\">Volt (tensione)<\/option>\n    <option value=\"a\">Ampere (corrente)<\/option>\n    <option value=\"o\">Ohm (resistenza)<\/option>\n    <option value=\"w\">Watt (potenza)<\/option>\n<\/select>\n    <input type=\"number\" id=\"v2\" name=\"v2\">\n<select id=\"val2\">\n<option value=\"none\" selected disabled hidden>Seleziona il primo valore<\/option>\n<\/select>\n\n<\/form>\n<button onclick=\"calc();\">Calcola<\/button>\n<hr><span id=\"showerr\"><\/span><hr><span id=\"mymessage\"><\/span><hr><span id=\"mymessage2\"><\/span>\n<\/div>\n\n<script type=\"text\/javascript\">\n\nfunction calc() {\n \/\/this.errTimeout = undefined;\n \/\/clearTimeout(errTimeout);\n    document.getElementById(\"showerr\").style.visibility = \"hidden\";\n    document.getElementById(\"mymessage\").textContent=\"\";\n    document.getElementById(\"mymessage2\").textContent=\"\";\n    var v1 = document.getElementById(\"v1\").value;\n    var v2 = document.getElementById(\"v2\").value;\n    var val1 = document.getElementById(\"val1\").value;\n    var val2 = document.getElementById(\"val2\").value;\n\n   if (val1 == 'none') {\n       msgerr(\"Seleziona il primo valore\");\n           return;\n   }\n   if (val2 == 'none') {\n        msgerr(\"Seleziona il secondo valore\");\n           return;\n   }\n    if (v1 == 0) {\n        msgerr(\"Errore, campo 1 non valido\");\n    return;\n    }\n        if (v2 == 0) {\n    msgerr(\"Errore, campo 2 non valido\");\n    return;\n    }\n    \n        \n    switch (val1){\n        case \"v\": \/\/tensione\n        if (val2==\"o\"){\n            res=v1\/v2;\n            res=Number(res.toFixed(8));\n            msgris(\"I= \"+ampere(res),\"P= \"+watt(Math.pow(v1,2)\/v2));\n            \n        } else if (val2==\"a\"){\n            res=v1\/v2;\n            res=Number(res.toFixed(5));\n            msgris(\"R= \"+ohm(res),\"P= \"+watt(v1*v2));\n\n        } else {\/\/w\n            res=v1\/v2;\n            res=Number(res.toFixed(5));\n            msgris(\"R= \"+ohm(Math.pow(v1,2)\/v2),\"I= \"+ampere(v2\/v1));\n        }\n        break;\n        case \"a\":\/\/corrente\n            if (val2==\"v\"){\n            res=v2\/v1;\n            res=Number(res.toFixed(8));\n            msgris(\"I= \"+ampere(res),\"P= \"+watt(v1*v2));\n            \n        } else if (val2==\"o\"){\n            res=v1*v2;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(res),\"P= \"+watt(Math.pow(v1,2)*v2));\n\n        } else {\/\/w\n            res=v2\/v1;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(res),\"R= \"+ohm(v2\/Math.pow(v1,2)));\n        }\n        break;\n        case \"o\":\/\/resistenza\n            if (val2==\"v\"){\n            res=v2\/v1;\n            res=Number(res.toFixed(8));\n            msgris(\"I= \"+ampere(res),\"P= \"+watt(Math.pow(v2,2)\/v1));\n            \n        } else if (val2==\"a\"){\n            res=v1*v2;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(res),\"P= \"+watt(Math.pow(v2,2)*v1));\n\n        } else {\/\/w\n            res=v2*v1;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(Math.sqrt(res)),\"I= \"+ampere(Math.sqrt(v2\/v1)));\n        }\n        break;\n        case \"w\":\/\/potenza\n            if (val2==\"v\"){\n            res=v1\/v2;\n            res=Number(res.toFixed(8));\n            msgris(\"I= \"+ampere(res),\"R= \"+ohm(Math.pow(v2,2)\/v1));\n            \n        } else if (val2==\"a\"){\n            res=v1\/v2;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(res),\"R= \"+ohm(v1\/Math.pow(v2,2)));\n\n        } else {\/\/o\n            res=v2*v1;\n            res=Number(res.toFixed(5));\n            msgris(\"V= \"+volt(Math.sqrt(res)),\"I= \"+ampere(Math.sqrt(v1\/v2)));\n        }\n        break;\n    }\n    \n\n    \n}\n\nfunction ohm(res){\n    if (res>=1000000){\n        return res\/1000000+\"M\u03a9 (megaohm)\";\n        } else if (res>=1000){\n        return res\/1000+\"k\u03a9 (chiloohm)\";\n    } else {\n        return res+\"\u03a9 (Ohm)\";\n    }\n}\n\nfunction watt(res){\n    if (res>=1000000){\n        return res\/1000000+\"MW (megawatt)\";\n        } else if (res>=1000){\n        return res\/1000+\"kW (chilowatt)\";\n    } else {\n        return res+\"W (watt)\";\n    }\n}\n\nfunction ampere(res){\n    if (res<=0.000001){\n        return res*1000000+\"\u03bcA (microampere)\";\n        } else if (res<=0.001){\n        return (res*1000+\"mA (milliampere)\");\n    } else {\n        return res+\"A (Ampere)\";\n    }\n}\n\nfunction volt(res){\n    if (res<=0.001){\n        return res*1000+\"mV (millivolt)\";\n        } else if (res>=1000){\n        return (res\/1000+\"kV (chilovolt)\");\n    } else {\n        return res+\"V (volt)\";\n    }\n}\n\nfunction msgris(msg1,msg2) {\n    document.getElementById(\"mymessage\").textContent=msg1;\n    document.getElementById(\"mymessage2\").textContent=msg2;\n}\n\nfunction msgerr(message) {\n    document.getElementById(\"showerr\").style.visibility = \"visible\";\n    document.getElementById(\"showerr\").textContent=message;\n    errTimeout = setTimeout(clearErr, 5000);\n}\n\nfunction clearErr(){\n    document.getElementById(\"showerr\").textContent=\"\";\n    document.getElementById(\"showerr\").style.visibility = \"hidden\";\n}\n\nfunction checkval() {\n  var x = document.getElementById(\"val1\").value;\n  var items;\n  var itval;\n  switch(x){\n      case \"v\":\n          itval = [\"a\",\"o\",\"w\"];\n          items = [\"Ampere (corrente)\", \"Ohm (resistenza)\", \"Watt (potenza)\"];\n          break;\n        case \"a\":\n          itval = [\"v\",\"o\",\"w\"];\n          items = [\"Volt (tensione)\", \"Ohm (resistenza)\", \"Watt (potenza)\"];\n          break;\n        case \"o\":\n          itval = [\"v\",\"a\",\"w\"];\n          items = [\"Volt (tensione)\", \"Ampere (corrente)\", \"Watt (potenza)\"];\n          break;\n        case \"w\":\n          itval = [\"v\",\"a\",\"o\"];\n          items = [\"Volt (tensione)\",\"Ampere (corrente)\", \"Ohm (resistenza)\"];\n          break;\n  }\n\n  var str = \"\";\n  var x = 0;\n  for (var item of items) {\n    str += \"<option value='\"+ itval[x]+\"'>\" + item + \"<\/option>\";\n    x++;\n  }\n  document.getElementById(\"val2\").innerHTML = str;\n}\ndocument.getElementById(\"btn\").addEventListener(\"click\", getType)\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8cd720 elementor-widget elementor-widget-image\" data-id=\"d8cd720\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"293\" height=\"290\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic.webp\" class=\"attachment-large size-large wp-image-6990\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic.webp 293w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-12x12.webp 12w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-148x146.webp 148w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-50x50.webp 50w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-76x75.webp 76w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-85x85.webp 85w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-80x80.webp 80w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-24x24.webp 24w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-48x48.webp 48w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/ohmpic-96x96.webp 96w\" sizes=\"(max-width:767px) 293px, 293px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da7dd31 e-flex e-con-boxed e-con e-parent\" data-id=\"da7dd31\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87b1897 elementor-widget elementor-widget-heading\" data-id=\"87b1897\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Calcolo valore resistenza<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-258553c elementor-widget elementor-widget-text-editor\" data-id=\"258553c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Per calcolare il valore di una resistenza, seleziona il numero di colori presenti sul componente e premi applica.<br \/>Seleziona il colore corrispondente per ogni banda e premi su calcola per avere il risultato.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb983e2 elementor-widget elementor-widget-html\" data-id=\"fb983e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/css.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/color_selector.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/display_none.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/for_resistor_4_band.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/for_resistor_5_band.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/for_resistor_6_band.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/selector_hover.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/btn_hover.css\">\r\n    <link rel=\"stylesheet\" href=\"\/wp-includes\/css\/resistor\/toggle.css\">\r\n\r\n <div class=\"resister_box \">\r\n\r\n                <div class=\"btn_section \">\r\n                    <select id=\"numberOfBands\" class=\"selection \">\r\n                        <option value=\"None\">Seleziona numero bande<\/option>\r\n                        <option value=\"4\">4 Bande<\/option>\r\n                        <option value=\"5\">5 Bande<\/option>\r\n                        <option value=\"6\">6 Bande<\/option>\r\n                    <\/select>\r\n                    <button class=\"btn_change \">\r\n                        Applica\r\n                    <\/button>\r\n                    <button class=\"btn_restart \">\r\n                        Resetta\r\n                    <\/button>\r\n                <\/div>\r\n\r\n\r\n                <div class=\"resistor_color\">\r\n\r\n                    <div id=\"main_box_4\" class=\"main_box_4  display_none\">\r\n                        <div class=\"color_1 color_band_4\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_4_color_1\" id=\"band_4_color_1\" class=\"select_color_4 \">\r\n                                <option value=\"None\" class=\"none\" selected>1<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_2 color_band_4\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_4_color_2\" id=\"band_4_color_2\" class=\"select_color_4 \">\r\n                                <option value=\"None\" class=\"none\" selected>2<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_3 color_band_4\">\r\n                            <div class=\"dg1\">Moltiplic.<\/div>\r\n                            <select name=\"band_4_color_3\" id=\"band_4_color_3\" class=\"select_color_4 \">\r\n                                <option value=\"None\" class=\"none\" selected>3<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                                <option value=\"-1\" class=\"gold\">gold<\/option>\r\n                                <option value=\"-2\" class=\"silver\">silver<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_4 color_band_4\" style=\"margin-left:50px;\">\r\n                            <div class=\"dg1\">Tolleranza<\/div>\r\n                            <select name=\"band_4_color_4\" id=\"band_4_color_4\" class=\"select_color_4 \">\r\n                                <option value=\"None\" class=\"none\" selected>4<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"0.5\" class=\"green\">green<\/option>\r\n                                <option value=\"0.25\" class=\"blue\">blue<\/option>\r\n                                <option value=\"0.1\" class=\"violet\">violet<\/option>\r\n                                <option value=\"0.05\" class=\"grey\">grey<\/option>\r\n                                <option value=\"5\" class=\"gold\">gold<\/option>\r\n                                <option value=\"10\" class=\"silver\">silver<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n\r\n                    <\/div>\r\n\r\n                    <div id=\"main_box_5\" class=\"main_box_5  display_none\">\r\n                        <!-- <div class=\"main_box_5 display_none\"> -->\r\n\r\n                        <div class=\"color_1 color_band_5\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_5_color_1\" id=\"band_5_color_1\" class=\"select_color_5 \">\r\n                                <option value=\"None\" class=\"none\" selected>1<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_2 color_band_5\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_5_color_2\" id=\"band_5_color_2\" class=\"select_color_5 \">\r\n                                <option value=\"None\" class=\"none\" selected>2<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_3 color_band_5\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_5_color_3\" id=\"band_5_color_3\" class=\"select_color_5 \">\r\n                                <option value=\"None\" class=\"none\" selected>3<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_4 color_band_5\">\r\n                            <div class=\"dg1\">Moltiplic.<\/div>\r\n                            <select name=\"band_5_color_4\" id=\"band_5_color_4\" class=\"select_color_5 \">\r\n                                <option value=\"None\" class=\"none\" selected>4<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                                <option value=\"-1\" class=\"gold\">gold<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_5 color_band_5\">\r\n                            <div class=\"dg1\">Tolleranza<\/div>\r\n                            <select name=\"band_5_color_5\" id=\"band_5_color_5\" class=\"select_color_5 \">\r\n                                <option value=\"None\" class=\"none\" selected>5<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"0.5\" class=\"green\">green<\/option>\r\n                                <option value=\"0.25\" class=\"blue\">blue<\/option>\r\n                                <option value=\"0.1\" class=\"violet\">violet<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n\r\n                    <\/div>\r\n\r\n                    <div id=\"main_box_6\" class=\"main_box_6  display_none\">\r\n\r\n                        <div class=\"color_1 color_band_6\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_6_color_1\" id=\"band_6_color_1\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>1<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_2 color_band_6\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_6_color_2\" id=\"band_6_color_2\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>2<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_3 color_band_6\">\r\n                            <div class=\"dg1\">Cifra<\/div>\r\n                            <select name=\"band_6_color_3\" id=\"band_6_color_3\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>3<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_4 color_band_6\">\r\n                            <div class=\"dg1\">Moltiplic.<\/div>\r\n                            <select name=\"band_6_color_4\" id=\"band_6_color_4\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>4<\/option>\r\n                                <option value=\"0\" class=\"black\">black<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"5\" class=\"green\">green<\/option>\r\n                                <option value=\"6\" class=\"blue\">blue<\/option>\r\n                                <option value=\"7\" class=\"violet\">violet<\/option>\r\n                                <option value=\"8\" class=\"grey\">grey<\/option>\r\n                                <option value=\"9\" class=\"white\">white<\/option>\r\n                                <option value=\"1\" class=\"gold\">gold<\/option>\r\n                                <option value=\"2\" class=\"silver\">silver<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_5 color_band_6\">\r\n                            <div class=\"dg1\">Tolleranza<\/div>\r\n                            <select name=\"band_6_color_5\" id=\"band_6_color_5\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>5<\/option>\r\n                                <option value=\"1\" class=\"brown\">brown<\/option>\r\n                                <option value=\"2\" class=\"red\">red<\/option>\r\n                                <option value=\"3\" class=\"orange\">orange<\/option>\r\n                                <option value=\"4\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"0.5\" class=\"green\">green<\/option>\r\n                                <option value=\"0.25\" class=\"blue\">blue<\/option>\r\n                                <option value=\"0.1\" class=\"violet\">violet<\/option>\r\n                                <option value=\"0.05\" class=\"grey\">grey<\/option>\r\n                                <option value=\"5\" class=\"gold\">gold<\/option>\r\n                                <option value=\"10\" class=\"silver\">silver<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n                        <div class=\"color_6 color_band_6\">\r\n                            <div class=\"dg1\">Coeff. Temp.<\/div>\r\n                            <select name=\"band_6_color_2\" id=\"band_6_color_6\" class=\"select_color_6 \">\r\n                                <option value=\"None\" class=\"none\" selected>6<\/option>\r\n                                <option value=\"100\" class=\"brown\">brown<\/option>\r\n                                <option value=\"50\" class=\"red\">red<\/option>\r\n                                <option value=\"15\" class=\"orange\">orange<\/option>\r\n                                <option value=\"25\" class=\"yellow\">yellow<\/option>\r\n                                <option value=\"10\" class=\"blue\">blue<\/option>\r\n                                <option value=\"5\" class=\"violet\">violet<\/option>\r\n                            <\/select>\r\n                        <\/div>\r\n\r\n                    <\/div>\r\n\r\n                <\/div>\r\n\r\n                <div class=\"calculate_output\">\r\n                    <button id=\"btn-calc\" class=\"btn_calulate_4  display_none\">\r\n                        Calcola\r\n                    <\/button>\r\n                    <button id=\"btn-calc\" class=\"btn_calulate_5  display_none\">\r\n                        Calulate\r\n                    <\/button>\r\n                    <button id=\"btn-calc\" class=\"btn_calulate_6  display_none\">\r\n                        Calulate\r\n                    <\/button>\r\n                    <input type=\"text\" class=\"output_section display_none \" readonly=\"readonly\">\r\n                <\/div>\r\n            <\/div>\r\n\r\n<script src=\"\/wp-includes\/js\/resistor\/layout.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/btn.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/color_band_4.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/color_band_5.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/color_band_6.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/theme.js\"><\/script>\r\n<script src=\"\/wp-includes\/js\/resistor\/error.js\"><\/script>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdf084c elementor-widget elementor-widget-text-editor\" data-id=\"fdf084c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Legenda:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-297d2b4 elementor-widget elementor-widget-image\" data-id=\"297d2b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"500\" height=\"450\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color.webp\" class=\"attachment-large size-large wp-image-7259\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color.webp 500w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-300x270.webp 300w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-13x12.webp 13w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-162x146.webp 162w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-50x45.webp 50w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-83x75.webp 83w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/res_legend_color-480x432.webp 480w\" sizes=\"(max-width:767px) 480px, 500px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23504b0 elementor-widget elementor-widget-heading\" data-id=\"23504b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Calcolo valore condensatori<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2da3f2 elementor-widget elementor-widget-html\" data-id=\"f2da3f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t <form >\n     Scrivere le cifre sul condensatore (3 cifre es:104) e premere calcola.<p><\/p>\n    <input type=\"number\" id=\"cval\" name=\"cval\" maxlength=\"3\" style=\"float:left;width:80px;margin:0 30px 0 30px;\">\n    <button class=\"btn\" onclick=\"calcola(document.getElementById('cval').value);\">Calcola<\/button><p><\/p>\n    <span id=\"result\">Valore:<\/span>\n<\/form>\n<div style=\"margin-top:20px;\">\nQuesto tool \u00e8 un aiuto nel calcolo del valore del consensatore, tuttavia ci sono alcuni condensatori che non possono essere calcolati con questo strumento.<br>Se trovate un punto nelle cifre del consensatore, questo indica il valore preciso con il decimale, si pu\u00f2 trovare su valori bassi es: 4.7 indica una capacit\u00e0 di 4,7pF<br><div style=\"margin-left:10px;\">La lettera alla fine del valore indica la sua tolleranza:<br>M = 20%<br>K=10%<br>J=5%<\/div><span style=\"color:yellow;\"><em>Scale di conversione: 1uF = 1000nF &nbsp;\/&nbsp; 1nF = 1000pF o 0,001uF &nbsp;\/&nbsp; 1pf = 0,001nF<\/em><\/span><br\/>Potreste trovare anche dei condensatori con bande colorate al posto delle cifre, in questo caso vanno decodificati come per le resistenze. Qui sotto un esempio di condensatori con valore espresso in colore.<br\/>\n<\/div>\n<script language=\"JavaScript\">\n<!--\nfunction calcola (cval) {\ndocument.getElementById('result').textContent=\"Valore:\";\nif (eval(cval.charAt(0))<=0 || cval==''){\n    document.getElementById('result').textContent=\"Valore: non valido\";\n    return;\n}\nif (cval.length<3) {\n    rsl=cval+'pF'+ \"  (\" + cval\/1000 +\" nF)\";\n} else {\nvar v1=eval(cval.charAt(0));\nvar v2=eval(cval.charAt(1));\nvar v3=eval(cval.charAt(2));\nrsl= v1*10 +v2;\nrsl=rsl * Math.pow(10,v3);\n\nif (rsl>=1000000) {\n    rsl=rsl\/1000000 + \"uF\";\n} else if (rsl>=1000) {\n    rsl=rsl\/1000 + \"nF\" + \"  (\" + rsl\/1000000 +\" uF)\";\n} else {\n     rsl=rsl + \"pF\" + \"  (\" + rsl\/1000 +\" nF)\";\n}\n}\n\/\/alert(cval.length);\ndocument.getElementById('result').textContent=\"Valore: \"+rsl;\n\/*\nvar v3=eval(obj.X2.value.charAt(2));\nvar v1=eval(obj.X2.value);\nvar v4=eval(obj.X2.value.length);\n\nif (v4==3) { \n\nv1=Math.floor(v1\/10);\nv3=Math.pow(10,v3);\n\nobj.Out.value=v1*v3;\nobj.X1.value=(v1*v3)\/1000000;\nobj.X3.value=(v1*v3)\/1000;\n}\nelse\n{ \nv3=1;\nobj.Out.value=v1*v3;\nobj.X1.value=(v1*v3)\/1000000;\nobj.X3.value=(v1*v3)\/1000;\n}*\/\n  }\n\/\/-->\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6fd8740 e-flex e-con-boxed e-con e-parent\" data-id=\"6fd8740\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b6d319 elementor-widget elementor-widget-image\" data-id=\"9b6d319\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"350\" height=\"170\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1.jpg\" class=\"attachment-large size-large wp-image-7314\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1.jpg.webp 350w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1-300x146.jpg.webp 300w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1-18x9.jpg.webp 18w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1-260x126.jpg.webp 260w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1-50x24.jpg.webp 50w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond1-150x73.jpg.webp 150w\" sizes=\"(max-width:767px) 350px, 350px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaa5734 elementor-widget elementor-widget-image\" data-id=\"aaa5734\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"170\" src=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2.jpg\" class=\"attachment-large size-large wp-image-7316\" alt=\"\" srcset=\"https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2.jpg.webp 350w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2-300x146.jpg.webp 300w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2-18x9.jpg.webp 18w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2-260x126.jpg.webp 260w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2-50x24.jpg.webp 50w, https:\/\/retrofixer.it\/wp-content\/uploads\/2023\/05\/cond2-150x73.jpg.webp 150w\" sizes=\"(max-width:767px) 350px, 350px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In questa pagina troverete strumenti utili per i vostri circuiti. Come calcolare la corrente, la resistenza, la tensione o la potenza assorbita di un circuito:Selezionare l&#8217;unit\u00e0<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-6856","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/pages\/6856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/comments?post=6856"}],"version-history":[{"count":0,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/pages\/6856\/revisions"}],"wp:attachment":[{"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/media?parent=6856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/categories?post=6856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/retrofixer.it\/en\/wp-json\/wp\/v2\/tags?post=6856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}