{"id":3186,"date":"2026-03-28T18:13:03","date_gmt":"2026-03-28T09:13:03","guid":{"rendered":"https:\/\/www.tenisyoku.com\/media\/?p=3186"},"modified":"2026-03-23T18:25:05","modified_gmt":"2026-03-23T09:25:05","slug":"%e3%80%90%e9%9b%bb%e6%b0%97%e5%b7%a5%e4%ba%8b%e5%a3%ab%e3%80%91%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%b7%af%e3%81%ae%e6%b6%88%e8%b2%bb%e9%9b%bb%e5%8a%9b%e3%83%bb%e3%82%a8%e3%83%8d%e3%83%ab%e3%82%ae%e3%83%bc","status":"publish","type":"post","link":"https:\/\/www.tenisyoku.com\/media\/electrician\/3186","title":{"rendered":"\u3010\u96fb\u6c17\u5de5\u4e8b\u58eb\u3011\u76f4\u6d41\u56de\u8def\u306e\u6d88\u8cbb\u96fb\u529b\u30fb\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u8a08\u7b97\u65b9\u6cd5\uff08\u30b3\u30f3\u30c7\u30f3\u30b5\u30fb\u30b3\u30a4\u30eb\uff09\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u8a18\u4e8b\u3067\u5206\u304b\u308b\u3053\u3068<\/h1>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong><span class=\"keiko_yellow\">\u30fb\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u62b5\u6297\u306e\u6d88\u8cbb\u96fb\u529b\u306e\u8a08\u7b97\u516c\u5f0f\u3068\u305d\u306e\u5fdc\u7528\u65b9\u6cd5<\/span><\/strong><\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong><span class=\"keiko_yellow\">\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u3068\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u57fa\u672c\u516c\u5f0f<\/span><\/strong><\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong><span class=\"keiko_yellow\">\u30fb\u96fb\u6c17\u5de5\u4e8b\u58eb\u8a66\u9a13\u306e\u904e\u53bb\u554f\u50be\u5411\u306b\u6cbf\u3063\u305f\u5177\u4f53\u7684\u306a\u8a08\u7b97\u624b\u9806\u3068\u89e3\u7b54\u306e\u5c0e\u304d\u65b9<\/span><\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-1\">\u25a0\u306f\u3058\u3081\u306b<\/h1>\n\n\n\n<p>\u7b2c\u4e00\u7a2e\u304a\u3088\u3073\u7b2c\u4e8c\u7a2e\u96fb\u6c17\u5de5\u4e8b\u58eb\u306e\u7b46\u8a18\u8a66\u9a13\u306b\u304a\u3044\u3066\u3001\u300c\u96fb\u6c17\u306b\u95a2\u3059\u308b\u57fa\u790e\u7406\u8ad6\u300d\u306f\u5fc5\u9808\u306e\u5f97\u70b9\u6e90\u3067\u3059\u3002\u4e2d\u3067\u3082\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u8a08\u7b97\u3084\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fb\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6c42\u3081\u308b\u554f\u984c\u306f\u983b\u51fa\u9805\u76ee\u3067\u3059\u3002\u516c\u5f0f\u3092\u305f\u3060\u6697\u8a18\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u67d4\u8edf\u306b\u4f7f\u3044\u3053\u306a\u305b\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u5408\u683c\u3078\u306e\u8fd1\u9053\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u8a66\u9a13\u3067\u78ba\u5b9f\u306b\u5f97\u70b9\u3059\u308b\u305f\u3081\u306e\u8a08\u7b97\u624b\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-2\">\u25a0\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u3082\u3068\u3081\u65b9<\/h1>\n\n\n\n<p>\u96fb\u6c17\u56de\u8def\u306b\u304a\u3044\u3066\u3001\u62b5\u6297\u304c\u6d88\u8cbb\u3059\u308b\u96fb\u529b\uff08\u5358\u4f4d\uff1a\u30ef\u30c3\u30c8 [W]\uff09\u306f\u3001\u96fb\u5727\u3068\u96fb\u6d41\u306e\u7a4d\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u57fa\u672c\u5f0f\u3068\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3067\u4e0e\u3048\u3089\u308c\u305f\u6761\u4ef6\u306b\u5408\u308f\u305b\u3066\u8a08\u7b97\u5f0f\u3092\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6d88\u8cbb\u96fb\u529b P [W] \u306f\u3001\u76f4\u6d41\u56de\u8def\u3067\u306f\u96fb\u5727 V [V] \u3068\u96fb\u6d41 I [A] \u3092\u7528\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>P \uff1d V \u00d7 I<\/p>\n\n\n\n<p>\u3053\u3053\u306b\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\uff08V \uff1d I \u00d7 R\u3001I \uff1d V \/ R\uff09\u3092\u4ee3\u5165\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\uff12\u3064\u306e\u516c\u5f0f\u304c\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>P \uff1d I^2 \u00d7 R<\/p>\n\n\n\n<p>P \uff1d V^2 \/ R<\/p>\n\n\n\n<p>\u8a66\u9a13\u554f\u984c\u3067\u306f\u3001\u96fb\u6d41\u3068\u62b5\u6297\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u96fb\u5727\u3068\u62b5\u6297\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u3001\u4e0e\u3048\u3089\u308c\u308b\u6761\u4ef6\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u516c\u5f0f\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u89e3\u7b54\u30b9\u30d4\u30fc\u30c9\u3092\u4e0a\u3052\u308b\u30b3\u30c4\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"868\" src=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h1.jpg\" alt=\"\" class=\"wp-image-3189\" srcset=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h1.jpg 700w, https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h1-242x300.jpg 242w\" sizes=\"(max-width: 700px) 100vw, 700px\"><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-3\">\u25a0\u6d88\u8cbb\u96fb\u529b\u306e\u8a08\u7b97\u4f8b\uff08\u8a66\u9a13\u5bfe\u7b56\uff09<\/h1>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\u3001\u96fb\u6e90\u96fb\u5727\u304c36V\u3001\u8907\u6570\u306e\u62b5\u6297\uff084\u03a9\u30013\u03a9\u306a\u3069\uff09\u304c\u7d44\u307f\u5408\u308f\u3055\u3063\u305f\u56de\u8def\u3092\u8003\u3048\u307e\u3059\u3002\u3042\u308b\u62b5\u6297\uff08\u305f\u3068\u3048\u30703\u03a9\uff09\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u3092\u6c42\u3081\u308b\u554f\u984c\u306e\u89e3\u304d\u65b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"toc\">    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"Table of Contents\">\n      <p class=\"toc_title\">\u76ee\u6b21 <span class=\"toc_toggle js-toc-toggle\" data-open-toggle=\"\u8868\u793a\" data-close-toggle=\"\u975e\u8868\u793a\">\u975e\u8868\u793a<\/span><\/p>\n      <ul class=\"toc_list js-toc-list\">  <li class=\"first\">    <a href=\"#i-0\">\u3053\u306e\u8a18\u4e8b\u3067\u5206\u304b\u308b\u3053\u3068<\/a>  <\/li>  <li>    <a href=\"#i-1\">\u25a0\u306f\u3058\u3081\u306b<\/a>  <\/li>  <li>    <a href=\"#i-2\">\u25a0\u76f4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u3082\u3068\u3081\u65b9<\/a>  <\/li>  <li>    <a href=\"#i-3\">\u25a0\u6d88\u8cbb\u96fb\u529b\u306e\u8a08\u7b97\u4f8b\uff08\u8a66\u9a13\u5bfe\u7b56\uff09<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">1. \u5404\u90e8\u5206\u306e\u96fb\u5727\u3068\u96fb\u6d41\u3092\u6574\u7406\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-5\">2. \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3092\u6d3b\u7528\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">3. \u6d88\u8cbb\u96fb\u529b\u3092\u8a08\u7b97\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u25a0\u30b3\u30f3\u30c7\u30f3\u30b5\u30fb\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">\u30fb\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">\u25a0\u30a8\u30cd\u30eb\u30ae\u30fc\u8a08\u7b97\u306e\u5b9f\u8df5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">1. \u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u30a8\u30cd\u30eb\u30ae\u30fc Wc<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">2. \u30b3\u30a4\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc W_L<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-13\">\u25a0\u307e\u3068\u3081<\/a>  <\/li><\/ul>\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-4\">1. \u5404\u90e8\u5206\u306e\u96fb\u5727\u3068\u96fb\u6d41\u3092\u6574\u7406\u3059\u308b<\/h2>\n\n\n\n<p>\u56de\u8def\u5168\u4f53\u306e\u69cb\u6210\u304b\u3089\u3001\u307e\u305a\u306f\u5bfe\u8c61\u3068\u306a\u308b\u62b5\u6297\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3001\u307e\u305f\u306f\u304b\u304b\u308b\u96fb\u5727\u3092\u6c42\u3081\u307e\u3059\u3002\u4e26\u5217\u90e8\u5206\u3084\u76f4\u5217\u90e8\u5206\u306e\u6027\u8cea\uff08\u76f4\u5217\u306f\u96fb\u6d41\u304c\u4e00\u5b9a\u3001\u4e26\u5217\u306f\u96fb\u5727\u304c\u4e00\u5b9a\uff09\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-5\">2. \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u3042\u308b\u90e8\u5206\u306e\u96fb\u5727\u304c\u5224\u660e\u3057\u3001\u62b5\u6297\u5024\u304c\u5206\u304b\u3063\u3066\u3044\u308c\u3070\u3001\u305d\u3053\u3092\u6d41\u308c\u308b\u96fb\u6d41\u304c\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u96fb\u6d41\u3068\u62b5\u6297\u5024\u304b\u3089\u96fb\u5727\u3092\u6c42\u3081\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">3. \u6d88\u8cbb\u96fb\u529b\u3092\u8a08\u7b97\u3059\u308b<\/h2>\n\n\n\n<p>\u5bfe\u8c61\u306e\u62b5\u6297\uff083\u03a9\uff09\u306b\u304b\u304b\u308b\u96fb\u5727\u3084\u96fb\u6d41\u304c\u5224\u660e\u3057\u305f\u3089\u3001P \uff1d I^2 \u00d7 R \u307e\u305f\u306f P \uff1d V^2 \/ R \u306e\u516c\u5f0f\u306b\u3042\u3066\u306f\u3081\u3066\u6d88\u8cbb\u96fb\u529b\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-7\">\u25a0\u30b3\u30f3\u30c7\u30f3\u30b5\u30fb\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/h1>\n\n\n\n<p>\u96fb\u6c17\u5de5\u4e8b\u58eb\u8a66\u9a13\u3067\u306f\u3001\u62b5\u6297\u306e\u6d88\u8cbb\u96fb\u529b\u3060\u3051\u3067\u306a\u304f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\uff08\u84c4\u96fb\u5668\uff09\u3084\u30b3\u30a4\u30eb\uff08\u30a4\u30f3\u30c0\u30af\u30bf\uff09\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\uff08\u5358\u4f4d\uff1a\u30b8\u30e5\u30fc\u30eb [J]\uff09\u306e\u8a08\u7b97\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u3092 C [F]\uff08\u30d5\u30a1\u30e9\u30c9\uff09\u3001\u52a0\u308f\u308b\u96fb\u5727\u3092 V [V] \u3068\u3057\u305f\u3068\u304d\u3001\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc Wc [J] \u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>Wc \uff1d 1\/2 \u00d7 C \u00d7 V^2<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"868\" src=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h2.jpg\" alt=\"\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u516c\u5f0f\u306e\u753b\u50cf\" class=\"wp-image-3190\" srcset=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h2.jpg 700w, https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h2-242x300.jpg 242w\" sizes=\"(max-width: 700px) 100vw, 700px\"><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-9\">\u30fb\u30b3\u30a4\u30eb\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc<\/h2>\n\n\n\n<p>\u30b3\u30a4\u30eb\u306e\u81ea\u5df1\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3092 L [H]\uff08\u30d8\u30f3\u30ea\u30fc\uff09\u3001\u6d41\u308c\u308b\u96fb\u6d41\u3092 I [A] \u3068\u3057\u305f\u3068\u304d\u3001\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc W_L [J] \u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>W_L \uff1d 1\/2 \u00d7 L \u00d7 I^2<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"868\" src=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h3.jpg\" alt=\"\u30b3\u30a4\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u516c\u5f0f\u306e\u753b\u50cf\" class=\"wp-image-3191\" srcset=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h3.jpg 700w, https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h3-242x300.jpg 242w\" sizes=\"(max-width: 700px) 100vw, 700px\"><\/figure>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u516c\u5f0f\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u8a66\u9a13\u3067\u306f\u5358\u4f4d\u306e\u63a5\u982d\u8f9e\uff08\u03bcF\uff1d\u30de\u30a4\u30af\u30e9\u30d5\u30a1\u30e9\u30c9\uff1d10\u306e\u30de\u30a4\u30ca\u30b96\u4e57\u3001mH\uff1d\u30df\u30ea\u30d8\u30f3\u30ea\u30fc\uff1d10\u306e\u30de\u30a4\u30ca\u30b93\u4e57\u306a\u3069\uff09\u306b\u6ce8\u610f\u3057\u3066\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-10\">\u25a0\u30a8\u30cd\u30eb\u30ae\u30fc\u8a08\u7b97\u306e\u5b9f\u8df5\u4f8b<\/h1>\n\n\n\n<p>\u76f4\u6d41\u96fb\u6e90\uff08100V\uff09\u306b\u3001\u62b5\u6297\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\uff0820\u03bcF\uff09\u3001\u30b3\u30a4\u30eb\uff082mH\uff09\u304c\u63a5\u7d9a\u3055\u308c\u305f\u56de\u8def\u3092\u60f3\u5b9a\u3057\u307e\u3059\u3002\u76f4\u6d41\u56de\u8def\u306b\u304a\u3044\u3066\u5b9a\u5e38\u72b6\u614b\uff08\u30b9\u30a4\u30c3\u30c1\u3092\u5165\u308c\u3066\u304b\u3089\u5341\u5206\u306b\u6642\u9593\u304c\u7d4c\u3063\u305f\u72b6\u614b\uff09\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u6027\u8cea\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\uff1a\u76f4\u6d41\u96fb\u6d41\u3092\u901a\u3055\u306a\u3044\u305f\u3081\u3001\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u90e8\u5206\u306e\u96fb\u5727\u304c\u305d\u306e\u307e\u307e\u304b\u304b\u308a\u307e\u3059\u3002\uff08\u3053\u306e\u5834\u5408100V\uff09<\/p>\n\n\n\n<p>\u30fb\u30b3\u30a4\u30eb\uff1a\u76f4\u6d41\u96fb\u6d41\u306b\u5bfe\u3057\u3066\u306f\u5358\u306a\u308b\u5c0e\u7dda\u3068\u3057\u3066\u632f\u308b\u821e\u3044\u3001\u96fb\u6d41\u304c\u6d41\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6027\u8cea\u3092\u8e0f\u307e\u3048\u3001\u305d\u308c\u305e\u308c\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">1. \u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u30a8\u30cd\u30eb\u30ae\u30fc Wc<\/h2>\n\n\n\n<p>\u96fb\u5727 V\uff1d100V\u3001C\uff1d20\u03bcF\uff0820 \u00d7 10^-6 F\uff09\u3092\u516c\u5f0f\u306b\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Wc \uff1d 1\/2 \u00d7 20 \u00d7 10^-6 \u00d7 100^2 \uff1d 0.1 [J]\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">2. \u30b3\u30a4\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc W_L<\/h2>\n\n\n\n<p>\u96fb\u6d41 I\uff1d10A\u3001L\uff1d2mH\uff082 \u00d7 10^-3 H\uff09\u3092\u516c\u5f0f\u306b\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>W_L \uff1d 1\/2 \u00d7 2 \u00d7 10^-3 \u00d7 10^2 \uff1d 0.1 [J]\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u5404\u7d20\u5b50\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u3001\u6b63\u3057\u3044\u5358\u4f4d\u3067\u516c\u5f0f\u306b\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u304c\u6b63\u89e3\u3092\u5c0e\u304f\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"868\" src=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h4.jpg\" alt=\"\" class=\"wp-image-3192\" srcset=\"https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h4.jpg 700w, https:\/\/www.tenisyoku.com\/media\/wp-content\/uploads\/2026\/03\/dc_power_energy_h4-242x300.jpg 242w\" sizes=\"(max-width: 700px) 100vw, 700px\"><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-13\">\u25a0\u307e\u3068\u3081<\/h1>\n\n\n\n<p>\u76f4\u6d41\u56de\u8def\u306e\u57fa\u790e\u7406\u8ad6\u306f\u3001\u96fb\u6c17\u5de5\u4e8b\u58eb\u8a66\u9a13\u306e\u571f\u53f0\u3068\u306a\u308b\u975e\u5e38\u306b\u91cd\u8981\u306a\u5206\u91ce\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u6d88\u8cbb\u96fb\u529b\u306f P \uff1d VI \uff1d I^2R \uff1d V^2\/R 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