{"id":7149,"date":"2025-03-31T21:35:53","date_gmt":"2025-03-31T12:35:53","guid":{"rendered":"https:\/\/torisetudy.com\/?p=7149"},"modified":"2025-10-24T18:14:14","modified_gmt":"2025-10-24T09:14:14","slug":"%e6%8a%b5%e6%8a%97%e3%81%a8%e4%ba%a4%e6%b5%81%e5%9b%9e%e8%b7%af","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=7149","title":{"rendered":"\u62b5\u6297\u3068\u4ea4\u6d41\u56de\u8def"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u62b5\u6297\u3092\u7528\u3044\u305f\u56de\u8def<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u62b5\u6297\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u62b5\u6297\u3092\u7528\u3044\u305f\u56de\u8def<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u62b5\u6297\u306b\u63a5\u7d9a<\/h3>\n\n\n\n<p>\u77ac\u6642\u5024\u304c $V(t)=V_0\\sin\\omega t$ \u3067\u8868\u3055\u308c\u308b\u4ea4\u6d41\u96fb\u5727\u3092\uff0c\u62b5\u6297\u5024\u304c $R$ \u306e\u62b5\u6297\u306b\u304b\u3051\u308b\u3068\u3069\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u304b\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u307e\u305a\uff0c$\\sin\\omega t$ \u306e\u5024\u306f\uff0c\u6642\u9593\u7d4c\u904e\u306b\u3057\u305f\u304c\u3063\u3066 $-1\\leqq \\sin\\omega t\\leqq 1$ \u306e\u7bc4\u56f2\u3092\u5468\u671f\u7684\u306b\u5909\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c$V(t)$ \u306e\u5024\u306f $-V_0$ \u304b\u3089 $V_0$ \u306e\u7bc4\u56f2\u3067\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306e\u3067\uff0c$V_0$ \u304c\u96fb\u5727\u306e\u6700\u5927\u5024\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247<\/h3>\n\n\n\n<p>\u62b5\u6297\u3092\u53f3\u5411\u304d\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3092 $I(t)$ \u3068\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u306e $I(t)$ \u3082\u6642\u523b $t$ \u306e\u95a2\u6570\u3068\u306a\u308b\u306e\u3067\uff0c\u77ac\u6642\u5024\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"171\" height=\"123\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061013.svg\" alt=\"\u7269\u74061013\" class=\"wp-image-6697\"\/><noscript><img decoding=\"async\" width=\"171\" height=\"123\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061013.svg\" alt=\"\u7269\u74061013\" class=\"wp-image-6697\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3055\u3066\uff0c\u3053\u306e\u4ea4\u6d41\u56de\u8def\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u4e0a\u3067\u3068\u3066\u3082\u5927\u5207\u306a\u3053\u3068\u3092\u3044\u3044\u307e\u3059\u3002<span class=\"st-mymarker-s\">\u5404\u77ac\u9593\u3067\uff0c\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u306f\u5fc5\u305a\u6210\u7acb\u3057\u307e\u3059<\/span><strong>\u3002<\/strong><\/p>\n\n\n\n<p>\u5404\u77ac\u9593\u306e\u8a71\u3067\u3059\u306e\u3067\uff0c\u6700\u5927\u5024\u3084\u5b9f\u52b9\u5024\u3067\u306f\u306a\u304f\uff0c<span class=\"st-mymarker-s-b\">\u5fc5\u305a\u77ac\u6642\u5024\u3092\u4f7f\u3063\u3066\u7acb\u5f0f\u3057\u307e\u3057\u3087\u3046<\/span>\u3002<\/p>\n\n\n\n<p>\u56f3\u306e\u62b5\u6297\u3092\u7528\u3044\u305f\u56de\u8def\u3067\u306f\uff0c\u62b5\u6297\u306b\u304b\u304b\u308b\u96fb\u5727\u306f $RI(t)$ \u3068\u306a\u308a\u307e\u3059\u306e\u3067\uff0c<br>$$V(t)=RI(t)$$\u304c\u6210\u7acb\u3057\u307e\u3059\u3002\u3088\u3063\u3066\uff0c<br>$$I(t)=\\bun{V_0}{R}\\sin\\omega t$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3088\u308a\uff0c\u96fb\u6d41\u306e\u6700\u5927\u5024\u304c $I_0=\\Bun{V_0}{R}$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u679c\u3068\u3057\u3066\uff0c\u6700\u5927\u5024\u306b\u3064\u3044\u3066\u3082\uff0c<br>$$V_0=RI_0$$\u3068\u3044\u3046\u300c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u5f62\u300d\u304c\u6210\u7acb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f4d\u76f8<\/h3>\n\n\n\n<p>\u307e\u305f\uff0c\u6ce2\u52d5\u306e\u5358\u5143\u3067\u8003\u3048\u305f\u5834\u5408\u3068\u540c\u69d8\u306b\uff0c\u4e09\u89d2\u95a2\u6570\u306e\u4e2d\u8eab\u306e\u90e8\u5206\u3092 <span class=\"st-mymarker-s\">\u4f4d\u76f8<\/span> \u3068\u547c\u3073\u307e\u3059\u3002<br>$$V(t)=V_0\\sin\\omega t,\\,I(t)=\\bun{V_0}{R}\\sin\\omega t$$\u3067\u3042\u308a\uff0c\u96fb\u6d41\u3068\u96fb\u5727\u306f\u540c\u4f4d\u76f8\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3064\u307e\u308a\u300c\u96fb\u5727\u304c\u6700\u5927\u306e\u3068\u304d\u306b\u306f\u96fb\u6d41\u3082\u6700\u5927\u306b\u306a\u308a\uff0c\u96fb\u5727\u304c\u6700\u5c0f\u306e\u3068\u304d\u306b\u306f\u96fb\u6d41\u3082\u6700\u5c0f\u3068\u306a\u308b\u300d\u3068\u3044\u3063\u305f\u5177\u5408\u306b\uff0c<span class=\"st-mymarker-s-b\">\u96fb\u5727\u3068\u96fb\u6d41\u304c\u63c3\u3063\u3066\u6642\u9593\u5909\u5316\u3092\u3059\u308b<\/span>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n    <div class=\"wp-block-st-blocks-point-box st-point-box has-title post-hashiro-point\" style=\"\n        background-color:#fff; \n        border: 2px solid #ff7f50; \n        padding: 0px 18px; \n        border-radius: 4pt; \n        position: relative;\">\n        \n        <p class=\"st-mybox-title\" style=\"\n            position: absolute; \n            top: -12px; \n            left: 12px; \n            background-color: #fff; \n            padding: 0 10px; \n            color: #ff7f50; \n            font-weight: bold; \n            font-size: 15px; \n            line-height: 1.5; \n            text-decoration: none;\n            margin-bottom: 20px; \n            display: flex; \n            align-items: center; \n            gap: 5px;\">\n            <i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"true\"><\/i> \u4ea4\u6d41\u96fb\u5727\u3068\u62b5\u6297\n        <\/p>\n\n        <div class=\"st-in-point-box\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding-top: 0px;\n            padding-bottom: 30px;\">\n            <p style=\"margin-bottom: -10px !important;\">\u62b5\u6297\u5024\u304c $R$ \u306e\u62b5\u6297\u306b\uff0c$V(t)=V_0\\sin\\omega t$ \u306e\u96fb\u5727\u3092\u304b\u3051\u308b\u3068\uff0c<\/p><p style=\"margin-bottom: -10px !important;\">$$I(t)=I_0\\sin\\omega t=\\bun{V_0}{R}\\sin\\omega t$$<\/p><p style=\"margin-bottom: -10px !important;\">\u306e\u96fb\u6d41\u304c\u6d41\u308c\u308b\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div><\/p><p style=\"margin-bottom: -10px !important;\"><p class=\"marukakko\">\u6700\u5927\u5024\u306e\u95a2\u4fc2\uff1a$V_0=RI_0$ \u3068\u3044\u3046\u300c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u5f62\u300d\u304c\u6210\u7acb\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><p class=\"marukakko\">\u4f4d\u76f8\u306e\u95a2\u4fc2\uff1a\u96fb\u5727\u3068\u96fb\u6d41\u306e\u4f4d\u76f8\u306f\u7b49\u3057\u3044\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><p><\/p>\n        <\/div>\n    <\/div>\n\n\n\n<p>\u4e0a\u306e\u307e\u3068\u3081\u306e\u3088\u3046\u306b\uff0c\u96fb\u6d41\u3068\u96fb\u5727\u306e\u95a2\u4fc2\u3092\u8003\u3048\u308b\u3068\u304d\u306b\u300c\u6700\u5927\u5024\u540c\u58eb\u306e\u95a2\u4fc2\u300d\u3068\u300c\u4f4d\u76f8\u540c\u58eb\u306e\u95a2\u4fc2\u300d\u3092\u308f\u3051\u3066\u8003\u3048\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u308a\u307e\u3059\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u62b5\u6297\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d88\u8cbb\u96fb\u529b<\/h3>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u5148\u307b\u3069\u306e\u56de\u8def\u3067\uff0c\u62b5\u6297\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u96fb\u6d41\u306e\u5024\u306f\u6642\u523b\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u306e\u3067\uff0c\u6d88\u8cbb\u96fb\u529b\u3082\u6642\u523b\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a08\u7b97\u5f0f\u81ea\u4f53\u306f\u76f4\u6d41\u306e\u5834\u5408\u3068\u540c\u3058\u3067\u3059\u304c\uff0c\u77ac\u6642\u5024\u3092\u7528\u3044\u3066\uff0c<br>$$P=RI(t)^2=RI_0\\!^2\\sin^2\\omega t$$\u3068\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f0f\u304b\u3089\u3082\u6642\u9593\u5909\u5316\u3092\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u304c\uff0c\u5404\u6642\u523b\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u3092\u8003\u3048\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u2026\uff01<\/p>\n\n\n\n<p>\u306a\u305c\u304b\u3068\u3044\u3046\u3068\uff0c\u4ea4\u6d41\u306e\u5468\u6ce2\u6570 $f$ \u306f $50\\Hz$ \u3082\u3057\u304f\u306f $60\\Hz$ \u3067\u3042\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\uff0c$1\\s$ \u306e\u9593\u306b\u3082\u306e\u3059\u3054\u3044\u52e2\u3044\u3067\u5909\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>1\u79d2\u9593\u306b50\u56de\u3082\u5468\u671f\u7684\u306a\u5909\u5316\u3092\u3059\u308b\u306e\u3067\uff0c\u3042\u308b\u77ac\u9593\u306e\u6d88\u8cbb\u96fb\u529b\u3092\u8003\u3048\u305f\u3068\u3053\u308d\u3067\u3042\u307e\u308a\u5b09\u3057\u3044\u3053\u3068\u306f\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8003\u3048\u308b\u3079\u304d\u306f\u5e73\u5747<\/h3>\n\n\n\n<p>\u3080\u3057\u308d\u6c17\u306b\u306a\u308b\u306e\u306f\uff0c\u300c\u305d\u306e\u62b5\u6297\u306b\u4ea4\u6d41\u96fb\u6d41\u304c\u6d41\u308c\u7d9a\u3051\u305f\u3089\uff0c\u5e73\u5747\u3057\u3066 $1\\s$ \u306e\u9593\u306b\u3069\u306e\u304f\u3089\u3044\u306e\u30b8\u30e5\u30fc\u30eb\u71b1\u304c\u767a\u751f\u3059\u308b\u304b\u300d\u3068\u3044\u3046\u5e73\u5747\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u81ea\u5b85\u3067\u5bb6\u96fb\u88fd\u54c1\u3092\u4f7f\u3046\u3068\u304d\u3082\uff0c\u300c\u3057\u3070\u3089\u304f\u4f7f\u3044\u7d9a\u3051\u305f\u3089\uff0c\u5e73\u5747\u3057\u3066\u3069\u306e\u304f\u3089\u3044\u306e\u71b1\u304c\u767a\u751f\u3059\u308b\u304b\u300d\u3092\u77e5\u308a\u305f\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c\u6d88\u8cbb\u96fb\u529b $P$ \u306e\u6642\u9593\u5e73\u5747 $\\overline{P}$ \u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>$R_0I_0!^2$ \u306f\u4e00\u5b9a\u5024\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u3068\uff0c<br>$$\\overline{P}=RI_0\\!^2\\overline{\\sin^2\\omega t}$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u89d2\u95a2\u6570\u306e\u5e73\u5747<\/h3>\n\n\n\n<p>\u300c$\\sin$ \u306e $2$ \u4e57\u306e\u5e73\u5747\u300d\u3092\u8003\u3048\u308b\u305f\u3081\u306b\uff0c\u534a\u89d2\u516c\u5f0f\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<br>$$\\sin^2\\omega t=\\Bun{1-\\cos2\\omega t}{2}=\\bun12-\\bun12\\cos2\\omega t$$<\/p>\n\n\n\n<p>\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u6642\u9593\u5909\u5316\u3059\u308b\u90e8\u5206\uff0c\u3064\u307e\u308a $\\sin2\\omega t$ \u306e\u6642\u9593\u5e73\u5747\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30b0\u30e9\u30d5\u306e\u6982\u5f62\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"157\" height=\"126\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061014.svg\" alt=\"\u7269\u74061014\" class=\"wp-image-6698\"\/><noscript><img decoding=\"async\" width=\"157\" height=\"126\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061014.svg\" alt=\"\u7269\u74061014\" class=\"wp-image-6698\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u30b0\u30e9\u30d5\u3092\u898b\u308c\u3070\uff0c\u5e73\u5747\u5024\u306f\u4e00\u76ee\u77ad\u7136\u3067\u3059\u306d\uff01<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon3 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u305d\u3046\uff0c$0$ \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c<br>$$\\overline{\\sin^2\\omega t}=\\overline{\\bun12-\\bun12\\sin2\\omega t}=\\bun12$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e73\u5747\u306e\u8a08\u7b97<\/h3>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c$\\overline{P}=RI_0\\!^2\\overline{\\sin^2\\omega t}=\\bun12RI_0\\!^2$ \u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5f0f\u5909\u5f62\u3059\u308b\u3053\u3068\u3067\uff0c<br>$$\\overline{P}=R\\left(\\bun{I_0}{\\sqrt{2}}\\right)^2$$\u3068\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\uff0c$\\Bun{I_0}{\\sqrt{2}}$ \u306e\u76f4\u6d41\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u308b\u62b5\u6297\u3068\u540c\u3058\u6d88\u8cbb\u96fb\u529b\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u52b9\u5024\u3068\u306e\u95a2\u9023<\/h3>\n\n\n\n<p>\u300c\u6700\u5927\u5024\u304c $I_0$ \u306e\u4ea4\u6d41\u96fb\u6d41\u304c\u6d41\u308c\u308b\u62b5\u6297\u3067\u306e\u6d88\u8cbb\u96fb\u529b\u306f\uff0c$\\Bun{I_0}{\\sqrt{2}}$ \u306e\u76f4\u6d41\u96fb\u6d41\u304c\u6d41\u308c\u308b\u62b5\u6297\u3067\u306e\u6d88\u8cbb\u96fb\u529b\u306b\u7b49\u3057\u3044\u300d\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3053\u306e $\\Bun{I_0}{\\sqrt{2}}$ \u306f\uff0c\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306b\u76f8\u5f53\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\uff01<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u96fb\u5727\u306b\u3064\u3044\u3066\u3082\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002$V_0=RI_0$ \u3067\u3059\u306e\u3067\uff0c<br>$$\\begin{aligned}\\overline{P}&amp;=R\\left(\\bun{I_0}{\\sqrt{2}}\\right)^2\\\\[9pt]&amp;=R\\left(\\bun{V_0}{R\\sqrt{2}}\\right)^2\\\\[9pt]&amp;=\\bun{\\left(\\bun{V_0}{\\sqrt{2}}\\right)^2}{R}\\end{aligned}$$\u3068\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u76f4\u6d41\u56de\u8def\u3067\u3042\u308c\u3070\uff0c\u6d88\u8cbb\u96fb\u529b\u306f $P=\\bun{V^2}{R}$ \u3068\u3044\u3046\u5f62\u3067\u8a08\u7b97\u3067\u304d\u308b\u306e\u3067\uff0c\u3053\u308c\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\uff0c$\\Bun{V_0}{\\sqrt{2}}$ \u304c\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n    <div class=\"wp-block-st-blocks-point-box st-point-box has-title post-hashiro-point\" style=\"\n        background-color:#fff; \n        border: 2px solid #ff7f50; \n        padding: 0px 18px; \n        border-radius: 4pt; \n        position: relative;\">\n        \n        <p class=\"st-mybox-title\" style=\"\n            position: absolute; \n            top: -12px; \n            left: 12px; \n            background-color: #fff; \n            padding: 0 10px; \n            color: #ff7f50; \n            font-weight: bold; \n            font-size: 15px; \n            line-height: 1.5; \n            text-decoration: none;\n            margin-bottom: 20px; \n            display: flex; \n            align-items: center; \n            gap: 5px;\">\n            <i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"true\"><\/i> \u6700\u5927\u5024\u3068\u5b9f\u52b9\u5024\n        <\/p>\n\n        <div class=\"st-in-point-box\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding-top: 0px;\n            padding-bottom: 30px;\">\n            <p style=\"margin-bottom: -10px !important;\">\u96fb\u5727\u306e\u77ac\u6642\u5024\u304c $V(t)=V_0\\sin\\omega t$ \u306e\u3068\u304d\uff0c\u96fb\u5727\u306e\u6700\u5927\u5024\u306f $V_0$\uff0c\u5b9f\u52b9\u5024\u306f $\\bun{V_0}{\\sqrt{2}}$ \u3068\u306a\u308b\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><p>\u540c\u69d8\u306b\uff0c\u96fb\u6d41\u306e\u77ac\u6642\u5024\u304c $I(t)=I_0\\sin\\omega t$ \u306e\u3068\u304d\uff0c\u96fb\u6d41\u306e\u6700\u5927\u5024\u306f $I_0$\uff0c\u5b9f\u52b9\u5024\u306f $\\bun{I_0}{\\sqrt{2}}$ \u3068\u306a\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n<p>\u96fb\u5727\u3082\u96fb\u6d41\u3082\uff0c\u5b9f\u52b9\u5024\u306f\u6700\u5927\u5024\u306e $\\bun{1}{\\sqrt{2}}$ \u500d\u3067\u3059\uff01<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3057\u3063\u304b\u308a\u3068\u899a\u3048\u307e\u3057\u3087\u3046\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u62b5\u6297\u3092\u7528\u3044\u305f\u56de\u8def2 \u62b5\u6297\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b \u62b5\u6297\u3092\u7528\u3044\u305f\u56de\u8def \u62b5\u6297\u306b\u63a5\u7d9a \u77ac\u6642\u5024\u304c $V(t)=V_0\\sin\\omega t$ \u3067\u8868\u3055\u308c\u308b\u4ea4\u6d41\u96fb\u5727\u3092\uff0c\u62b5\u6297\u5024\u304c $R$ \u306e\u62b5\u6297\u306b\u304b\u3051\u308b\u3068\u3069\u306e\u3088\u3046 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":6960,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-7149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-39","category-electromagnetics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/7149"}],"collection":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7149"}],"version-history":[{"count":16,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/7149\/revisions"}],"predecessor-version":[{"id":7689,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/7149\/revisions\/7689"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/6960"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}