{"id":7152,"date":"2025-03-31T21:46:59","date_gmt":"2025-03-31T12:46:59","guid":{"rendered":"https:\/\/torisetudy.com\/?p=7152"},"modified":"2025-04-03T02:52:34","modified_gmt":"2025-04-02T17:52:34","slug":"%e3%82%b3%e3%82%a4%e3%83%ab%e3%81%a8%e4%ba%a4%e6%b5%81%e5%9b%9e%e8%b7%af","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=7152","title":{"rendered":"\u30b3\u30a4\u30eb\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> \u30b3\u30a4\u30eb\u3068\u4ea4\u6d41\u56de\u8def<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u3068\u96fb\u6d41\u306e\u95a2\u4fc2<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u30b3\u30a4\u30eb\u3068\u4ea4\u6d41\u56de\u8def<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u3044<\/h3>\n\n\n\n<p>\u62b5\u6297\u306b\u3064\u3044\u3066\u8003\u3048\u305f\u306e\u3068\u540c\u69d8\u306b\uff0c\u30b3\u30a4\u30eb\u306b\u3064\u3044\u3066\u3082\u4ea4\u6d41\u56de\u8def\u3067\u306e\u632f\u308b\u821e\u3044\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u300c\u5404\u77ac\u9593\u3067\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304c\u6210\u7acb\u3059\u308b\u300d\u3068\u3044\u3046\u539f\u5247\u3092\u5fd8\u308c\u305a\u306b\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>\u5404\u77ac\u9593\u3067\u3059\u306e\u3067\uff0c\u7528\u3044\u308b\u306e\u306f\u77ac\u6642\u5024\u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5177\u4f53\u7684\u306a\u56de\u8def\u3067<\/h3>\n\n\n\n<p>\u6b21\u306e\u56f3\u306e\u3088\u3046\u306b\uff0c\u77ac\u6642\u5024\u304c $V=V_0\\sin\\omega t$ \u3067\u8868\u3055\u308c\u308b\u4ea4\u6d41\u96fb\u5727\u3092\uff0c\u81ea\u5df1\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c $L$ \u306e\u30b3\u30a4\u30eb\u306b\u304b\u3051\u305f\u72b6\u6cc1\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"159\" height=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061015.svg\" alt=\"\u7269\u74061015\" class=\"wp-image-6699\"\/><noscript><img decoding=\"async\" width=\"159\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u74061015.svg\" alt=\"\u7269\u74061015\" class=\"wp-image-6699\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u306f\uff0c<br>$$V_0\\sin\\omega t=L\\bun{\\dI}{\\dt}$$\u3067\u3059\u306d\u3002\u3053\u308c\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u3067\uff0c<br>$$\\bun{\\dI}{\\dt}=\\bun{V_0}{L}\\sin\\omega t$$\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c$I$ \u3092\u5fae\u5206\u3057\u305f\u3089 $\\bun{V_0}{L}\\sin\\omega t$ \u306b\u306a\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306e\u3067\uff0c<br>$$I=-\\bun{V_0}{\\omega L}\\cos\\omega t$$\u3068\u3057\u3066\u96fb\u6d41\u306e\u77ac\u6642\u5024 $I$ \u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\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\u306e\u77ac\u6642\u5024\u3068\u5f62\u3092\u305d\u308d\u3048\u308b\u305f\u3081\u306b\uff0c$-\\cos\\omega t=\\sin\\left(\\omega t-\\bun{\\pi}{2}\\right)$ \u3067\u3042\u308b\u3053\u3068\u3092\u5229\u7528\u3059\u308c\u3070\uff0c<br>$$I=\\bun{V_0}{\\omega L}\\sin\\left(\\omega t-\\bun{\\pi}{2}\\right)$$\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u3068\u96fb\u6d41\u306e\u95a2\u4fc2<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u52b9\u7387\u3088\u304f\u5909\u63db<\/h3>\n\n\n\n<p>\u4ea4\u6d41\u56de\u8def\u306e\u554f\u984c\u3092\u89e3\u304f\u969b\u306b\u306f\uff0c\u300c\u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u3092\u5143\u306b\u96fb\u6d41\u3092\u6c42\u3081\u308b\u300d\u300c\u30b3\u30a4\u30eb\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3092\u5143\u306b\u96fb\u5727\u3092\u6c42\u3081\u308b\u300d\u3068\u3044\u3046\u624b\u9806\u304c\u983b\u56de\u306b\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0a\u3067\u8003\u3048\u305f\u65b9\u6cd5\u3067\u3082\u6c42\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\uff0c\u6bce\u56de\u6bce\u56de\u8003\u3048\u3066\u3044\u305f\u3089\u3068\u3066\u3082\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u300c\u96fb\u6d41\u304b\u3089\u96fb\u5727\u3092\u6c42\u3081\u308b\u300d\u300c\u96fb\u5727\u304b\u3089\u96fb\u6d41\u3092\u6c42\u3081\u308b\u300d\u3068\u3044\u3046\u624b\u9806\u306f\u77ac\u6642\u306b\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3079\u304d\u306a\u306e\u3067\u3059\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>\u305d\u306e\u305f\u3081\u306e\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3068\u3063\u3066\u3082\u3068\u3063\u3066\u3082\u5927\u4e8b\u306a\u306e\u3067\u3088\u304f\u7406\u89e3\u3057\u3066\u4e0b\u3055\u3044\u2026\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u308f\u3051\u3066\u8003\u3048\u308b\uff01<\/h3>\n\n\n\n<p>\u6700\u5927\u306e\u30dd\u30a4\u30f3\u30c8\u306f\uff0c\u62b5\u6297\u306b\u3064\u3044\u3066\u8003\u3048\u305f\u969b\u306b\u8aac\u660e\u3057\u305f\u901a\u308a\u3067\uff0c<span class=\"st-mymarker-s\">\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<\/span> \u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>$V=V_0\\sin\\omega t$ \u306e\u96fb\u5727\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u6d41\u308c\u308b\u96fb\u6d41\u304c $I=\\Bun{V_0}{\\omega L}\\sin\\left(\\omega t-\\bun{\\pi}{2}\\right)$ \u3067\u3042\u308b\u3053\u3068\u3092\u5229\u7528\u3057\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u6700\u5927\u5024\u540c\u58eb\u306e\u95a2\u4fc2<\/h3>\n\n\n\n<p>\u96fb\u5727\u306e\u6700\u5927\u5024\u304c $V_0$ \u306e\u3068\u304d\uff0c\u96fb\u6d41\u306e\u6700\u5927\u5024\u306f $I_0=\\Bun{V_0}{\\omega L}$ \u3067\u3057\u305f\u3002\u3053\u308c\u3092\u6574\u7406\u3059\u308b\u3068\uff0c$V_0=\\omega LI_0$ \u3068\u3044\u3046\u5f62\u306b\u306a\u308a\u307e\u3059\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>\u3053\u308c\u3063\u3066\u300c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u300d\u306e\u5f62\u306b\u4f3c\u3066\u3044\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>$\\omega L$ \u3092\u300c\u30b3\u30a4\u30eb\u306e\u62b5\u6297\u5024 $R$ \u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u300d\u3068\u8003\u3048\u308b\u3068\uff0c$V_0=RI_0$ \u306e\u5f62\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u300c\u30b3\u30a4\u30eb\u306e\u62b5\u6297\u5024\u306b\u76f8\u5f53\u3059\u308b\u5024\u300d\u3092 <span class=\"st-mymarker-s\">\u8a98\u5c0e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9<\/span> \u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a98\u5c0e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c\u6700\u5927\u5024\u540c\u58eb\u306e\u9593\u306b\u300c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u5f62\u300d\u304c\u6210\u308a\u7acb\u3064\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u4f4d\u76f8\u306e\u95a2\u4fc2<\/h3>\n\n\n\n<p>\u96fb\u5727\u306e\u77ac\u6642\u5024\u306e\u4f4d\u76f8\u304c $\\omega t$ \u306e\u3068\u304d\uff0c\u96fb\u6d41\u306e\u77ac\u6642\u5024\u306e\u4f4d\u76f8\u306f $\\omega t-\\Bun{\\pi}{2}$ \u3067\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3088\u308a\uff0c\u96fb\u6d41\u306e\u4f4d\u76f8\u306f\u96fb\u5727\u306e\u4f4d\u76f8\u3088\u308a $\\Bun{\\pi}{2}$ \u3060\u3051\u9045\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\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>\u96fb\u5727\u304c\u5148\uff0c\u96fb\u6d41\u304c\u9045\u308c\u308b\uff0c\u3067\u3059\uff01\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u300c\u30b3\u30a4\u30eb\u306f\u5909\u5316\u3092\u5acc\u3046\u300d\u3068\u3044\u3046\u3053\u3068\u304b\u3089\u3082\uff0c\u96fb\u5727\u306b\u5bfe\u3057\u3066\u96fb\u6d41\u304c\u9045\u308c\u3066\u3064\u3044\u3066\u304f\u308b\u3053\u3068\u306f\u60f3\u50cf\u3057\u3084\u3059\u3044\u306f\u305a\u3067\u3059\uff01<\/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> \u30b3\u30a4\u30eb\u306e\u96fb\u6d41\u3068\u96fb\u5727\u306e\u95a2\u4fc2\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;\">\u30b3\u30a4\u30eb\u306e\u8a98\u5c0e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u306f $\\omega L$ \u3067\u3042\u308b\u3002\u6700\u5927\u5024\u306b\u3064\u3044\u3066\u306f\u3053\u306e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3092\u7528\u3044\u3066\uff0c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u5f62\u3067\u8003\u3048\u308b\u3002$V_0=\\omega LI_0$ \u304c\u6210\u7acb\u3059\u308b\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><p>\u4f4d\u76f8\u306b\u3064\u3044\u3066\u306f\uff0c\u96fb\u6d41\u306e\u4f4d\u76f8\u304c\u96fb\u5727\u306e\u4f4d\u76f8\u3088\u308a\u3082 $\\Bun{\\pi}{2}$ \u3060\u3051\u9045\u308c\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n    <div class=\"wp-block-st-blocks-midashi-box freebox has-title post-hashiro-reidai\" style=\"\n        background-color:#f7f7fb; \n        border-width: 3px; \n        border-color:#a3bded;\">\n        \n        <p class=\"p-free\" style=\"\n            border-color:#a3bded; \n            font-weight: bold;\">\n            <span class=\"p-entry-f\" style=\"\n                color:#ffffff; \n                font-weight: bold; \n                background-color:#a3bded;\">\n                <i class=\"st-fa st-svg-pencil st-css-no\" aria-hidden=\"true\"><\/i> \u4f8b\u984c\n            <\/span>\n        <\/p>\n\n        <div class=\"free-inbox\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding: 10px 15px;\">\n            <p>\u81ea\u5df1\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c $L$ \u306e\u30b3\u30a4\u30eb\u306b\uff0c\u77ac\u6642\u5024\u304c $I(t)=I_0\\sin\\omega t$ \u3067\u8868\u3055\u308c\u308b\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u308b\u3002\u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p><\/p><p><p class=\"setumonnkakko\">\u3053\u306e\u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u306e\u77ac\u6642\u5024 $V(t)$ \u3092\u6c42\u3081\u3088\u3002<\/p><\/p><p><p class=\"setumonnkakko\">\u3053\u306e\u30b3\u30a4\u30eb\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u6642\u9593\u5e73\u5747 $\\overline{P}$ \u3092\u6c42\u3081\u3088\u3002<\/p><\/p><p><p><\/p>\n        <\/div>\n    <\/div>\n\n\n\n<div class=\"wp-block-group post-hashiro-reidaikaitou\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6700\u5927\u5024\u306b\u3064\u3044\u3066\u306f\uff0c\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u5f62\u304b\u3089\u8003\u3048\u308b\u3002\u30b3\u30a4\u30eb\u306e\u8a98\u5c0e\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u306f $\\omega L$ \u306a\u306e\u3067\uff0c$V_0=\\omega LI_0$ \u3068\u3057\u3066\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u96fb\u5727\u306e\u4f4d\u76f8\u306f\u96fb\u6d41\u306e\u4f4d\u76f8\u3088\u308a\u3082 $\\Bun{\\pi}{2}$ \u3060\u3051\u9032\u3080\u3002\u96fb\u6d41\u306e\u4f4d\u76f8\u304c $\\omega t$ \u3067\u3042\u308b\u305f\u3081\uff0c\u96fb\u5727\u306e\u4f4d\u76f8\u306f $\\omega t+\\bun{\\pi}{2}$ \u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304b\u3089\uff0c<br>$$V(t)=\\omega LI_0\\sin\\left(\\omega t+\\bun{\\pi}{2}\\right)$$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>$V(t)=\\omega LI_0\\cos\\omega t$ \u3068\u6574\u7406\u3067\u304d\u308b\u306e\u3067\uff0c\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306f\uff0c<br>$$P=V(t)I(t)=\\omega LI_0\\!^2\\sin\\omega t\\cos\\omega t$$\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\uff0c$\\sin\\omega t\\cos\\omega t=\\Bun{\\sin2\\omega t}{2}$ \u3067\u3042\u308b\u304c\uff0c$\\sin2\\omega t$ \u306e\u6642\u9593\u5e73\u5747\u306f $0$ \u3068\u306a\u308b\u3002\u3088\u3063\u3066\uff0c<br>$$\\overline{P}=\\omega LI_0\\!^2\\overline{\\sin\\omega t\\cos\\omega t}=0$$<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a4\u30eb\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b<\/h3>\n\n\n\n<p>\u4f8b\u984c\u304b\u3089\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\uff0c\u30b3\u30a4\u30eb\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u6642\u9593\u5e73\u5747\u306f $0$ \u3067\u3059\u3002<\/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>\u3053\u306e\u3053\u3068\u306f\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\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    <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> \u30b3\u30a4\u30eb\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\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;\">\u4ea4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\uff0c\u30b3\u30a4\u30eb\u306b\u304a\u3051\u308b\u6d88\u8cbb\u96fb\u529b\u306e\u6642\u9593\u5e73\u5747\u306f $0$ \u3068\u306a\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u30b3\u30a4\u30eb\u3068\u4ea4\u6d41\u56de\u8def2 \u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u3068\u96fb\u6d41\u306e\u95a2\u4fc2 \u30b3\u30a4\u30eb\u3068\u4ea4\u6d41\u56de\u8def \u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u3044 \u62b5\u6297\u306b\u3064\u3044\u3066\u8003\u3048\u305f\u306e\u3068\u540c\u69d8\u306b\uff0c\u30b3\u30a4\u30eb\u306b\u3064\u3044\u3066\u3082\u4ea4\u6d41\u56de\u8def\u3067\u306e\u632f\u308b\u821e\u3044\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002 \u300c\u5404\u77ac\u9593\u3067\u30ad\u30eb &#8230; <\/p>\n","protected":false},"author":1,"featured_media":6959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-7152","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\/7152"}],"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=7152"}],"version-history":[{"count":3,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/7152\/revisions"}],"predecessor-version":[{"id":7195,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/7152\/revisions\/7195"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/6959"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}