{"id":6863,"date":"2025-03-25T17:52:56","date_gmt":"2025-03-25T08:52:56","guid":{"rendered":"https:\/\/torisetudy.com\/?p=6863"},"modified":"2025-03-25T17:53:00","modified_gmt":"2025-03-25T08:53:00","slug":"%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%83%bc%e2%91%a0","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=6863","title":{"rendered":"\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u2460"},"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> \u91d1\u5c5e\u677f\u4e0a\u306e\u96fb\u8377\u3068\u96fb\u6c17\u529b\u7dda<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306e\u96fb\u5834<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u96fb\u5727\u3068\u96fb\u8377\u306e\u95a2\u4fc2\u5f0f<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_1\">5<\/span> \u96fb\u6c17\u5bb9\u91cf<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u91d1\u5c5e\u677f\u4e0a\u306e\u96fb\u8377\u3068\u96fb\u6c17\u529b\u7dda<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u91d1\u5c5e\u677f\u3092\u4f7f\u3063\u3066<\/h3>\n\n\n\n<p>\u5341\u5206\u306b\u5927\u304d\u306a\u9762\u7a4d $S$ \u306e\u91d1\u5c5e\u677f\u3092\u7528\u610f\u3057\uff0c$+Q$ \u306e\u96fb\u8377\u3092\u4e0e\u3048\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3068\u304d\u306e\u96fb\u6c17\u529b\u7dda\u3068\u96fb\u5834\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"133\" height=\"61\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406851.svg\" alt=\"\u7269\u7406851\" class=\"wp-image-6533\"\/><noscript><img decoding=\"async\" width=\"133\" height=\"61\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406851.svg\" alt=\"\u7269\u7406851\" class=\"wp-image-6533\"\/><\/noscript><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6c17\u529b\u7dda\u306e\u69d8\u5b50<\/h3>\n\n\n\n<p>\u96fb\u8377\u306f\u91d1\u5c5e\u677f\u306b\u4e00\u69d8\u306b\u5206\u5e03\u3057\uff0c\u677f\u306e\u4e0a\u4e0b\u306b\u306f\u5bfe\u79f0\u7684\u306b\u96fb\u6c17\u529b\u7dda\u304c\u51fa\u3066\u3044\u304d\u307e\u3059\u3002\u5408\u8a08\u306e\u672c\u6570\u306f $4\\pi kQ$ \u672c\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u4e0a\u5074\u306b\u534a\u5206\uff0c\u4e0b\u5074\u306b\u534a\u5206\u51fa\u3066\u3044\u304f\u306e\u3067\uff0c\u7247\u5074\u306e\u672c\u6570\u306f $2\\pi kQ$ \u672c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u96fb\u6c17\u529b\u7dda\u306f\u4e00\u90e8\u3057\u304b\u304b\u3044\u3066\u3044\u307e\u305b\u3093\u304c\uff0c\u307e\u3063\u3059\u3050\u7121\u9650\u9060\u65b9\u307e\u3067\u4f38\u3073\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"187\" height=\"121\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406852.svg\" alt=\"\u7269\u7406852\" class=\"wp-image-6534\"\/><noscript><img decoding=\"async\" width=\"187\" height=\"121\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406852.svg\" alt=\"\u7269\u7406852\" class=\"wp-image-6534\"\/><\/noscript><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2\u679a\u76ee<\/h3>\n\n\n\n<p>\u7d9a\u3044\u3066\uff0c\u540c\u3058\u91d1\u5c5e\u677f\u3092\u3082\u30461\u679a\u7528\u610f\u3057\uff0c\u3053\u3061\u3089\u306b\u306f $-Q$ \u306e\u96fb\u8377\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8ca0\u306e\u96fb\u8377\u3067\u3059\u306e\u3067\uff0c\u4e0a\u5074\u306b $2\\pi kQ$ \u672c\uff0c\u4e0b\u5074\u306b $2\\pi kQ$ \u672c\u306e\u96fb\u6c17\u529b\u7dda\u304c\u5165\u308a\u8fbc\u3093\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"350\" height=\"165\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406853.svg\" alt=\"\u7269\u7406853\" class=\"wp-image-6535\"\/><noscript><img decoding=\"async\" width=\"350\" height=\"165\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406853.svg\" alt=\"\u7269\u7406853\" class=\"wp-image-6535\"\/><\/noscript><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u96fb\u5834\u3068\u540c\u69d8\u306b\uff0c\u96fb\u6c17\u529b\u7dda\u306b\u3064\u3044\u3066\u3082\u91cd\u306d\u5408\u308f\u305b\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e21\u91d1\u5c5e\u677f\u306e\u4e0a\u306e\u9818\u57df\u3067\u306f\uff0c$+Q$ \u306e\u96fb\u8377\u3092\u4e0e\u3048\u305f\u91d1\u5c5e\u677f\u304b\u3089\u51fa\u3066\u3044\u304f\u4e0a\u5411\u304d\u306e\u96fb\u6c17\u529b\u7dda\u3068\uff0c$-Q$ \u306e\u96fb\u8377\u3092\u4e0e\u3048\u305f\u91d1\u5c5e\u677f\u306b\u5165\u308a\u8fbc\u3093\u3067\u3044\u304f\u4e0b\u5411\u304d\u306e\u96fb\u6c17\u529b\u7dda\u304c\u91cd\u306a\u308a\u5408\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u540c\u3058\u672c\u6570\u3067\u5411\u304d\u304c\u9006\u5411\u304d\u306a\u306e\u3067\uff0c\u4e92\u3044\u306b\u6253\u3061\u6d88\u3057\u5408\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\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>\u4e21\u91d1\u5c5e\u677f\u306e\u4e0b\u5074\u306e\u9818\u57df\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u4e00\u65b9\uff0c\u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306f\uff0c\u3044\u305a\u308c\u306e\u96fb\u6c17\u529b\u7dda\u3082\u4e0b\u5411\u304d\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\uff0c\u672c\u6570\u304c $2$ \u500d\uff08\u3064\u307e\u308a $4\\pi kQ$ \u672c\uff09\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d50\u679c\u3068\u3057\u3066\uff0c2\u679a\u306e\u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306e\u307f\u306b $4\\pi kQ$ \u672c\u306e\u96fb\u6c17\u529b\u7dda\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u534a\u5206\u306f $+Q$ \u306e\u96fb\u8377\u7531\u6765\uff0c\u3082\u3046\u534a\u5206\u306f $-Q$ \u306e\u96fb\u8377\u7531\u6765\u3068\u3044\u3046\u70b9\u3092\u3057\u3063\u304b\u308a\u3068\u982d\u306b\u5165\u308c\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306e\u96fb\u5834<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u5834\u306b\u3064\u3044\u3066\u306e\u6574\u7406<\/h3>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306e\u8a71\u3092\u8e0f\u307e\u3048\u3066\uff0c\u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306e\u96fb\u5834\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002\u5411\u304d\u306f\u96fb\u6c17\u529b\u7dda\u306e\u5411\u304d\u3068\u540c\u3058\u3067\u3059\u306e\u3067\uff0c$+Q$ \u306e\u96fb\u8377\u304c\u3042\u308b\u91d1\u5c5e\u677f\u304b\u3089 $-Q$ \u306e\u96fb\u8377\u304c\u3042\u308b\u91d1\u5c5e\u677f\u306b\u5411\u304b\u3046\u65b9\u5411\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon2 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3067\u306f\uff0c\u96fb\u5834\u306e\u5f37\u3055\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u2026\uff1f<\/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\u7591\u554f\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u7591\u554f\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u96fb\u6c17\u529b\u7dda\u3092\u5143\u306b\u96fb\u5834\u306e\u5f37\u3055\u3092\u6c42\u3081\u308b\u3068\u304d\u306f\uff0c\u5358\u4f4d\u9762\u7a4d\u3042\u305f\u308a\u306e\u672c\u6570\u3092\u8003\u3048\u308b\u306e\u3067\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>\u6975\u677f\u306e\u5168\u4f53\u306e\u9762\u7a4d\u306f $S$ \u306a\u306e\u3067\uff0c\u9762\u7a4d $1$ \u3042\u305f\u308a\u306e\u672c\u6570\u306f\uff0c$\\Bun{4\\pi kQ}{S}$ \u672c\u3067\u3059\u3002\u3053\u308c\u304c\u91d1\u5c5e\u677f\u306e\u9593\u306e\u9818\u57df\u306e\u96fb\u5834\u306e\u5f37\u3055 $E$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u69d8\u96fb\u5834<\/h3>\n\n\n\n<p>\u3055\u3066\uff0c\u3053\u306e\u96fb\u5834\u3067\u3059\u304c\uff0c\u3069\u3053\u304b\u3067\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f<\/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>\u4e00\u69d8\u96fb\u5834\u3067\u3059\u306d\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>\u3069\u3053\u306e\u5834\u6240\u3067\u3082\u540c\u3058\u5411\u304d\u3067\uff0c\u540c\u3058\u5f37\u3055\u306e\u96fb\u5834\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30c8\u306f\uff0c\u300c\u3053\u3053\u307e\u3067\u306e\u8a71\u306b\uff0c\u91d1\u5c5e\u677f\u306e\u8ddd\u96e2 $d$ \u306f\u95a2\u4fc2\u306a\u3044\uff01\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>$d$ \u304c\u5c0f\u3055\u304f\u3066\u3082\uff0c\u5927\u304d\u304f\u3066\u3082\uff0c\u96fb\u6c17\u529b\u7dda\u306e\u672c\u6570\u306f\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u96fb\u5834\u306e\u5f37\u3055\u3082\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u96fb\u5727\u3068\u96fb\u8377\u306e\u95a2\u4fc2\u5f0f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u69d8\u96fb\u5834\u306e\u5f0f\u3092\u7528\u3044\u3066<\/h3>\n\n\n\n<p>2\u679a\u306e\u91d1\u5c5e\u677f\u9593\u306e\u96fb\u5727\u3092 $V$ \u3068\u3057\u3066\uff0c\u4e00\u69d8\u96fb\u5834\u3067\u6210\u7acb\u3059\u308b\u5f0f $V=dE$ \u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002$E=\\Bun{4\\pi kQ}{S}$ \u3067\u3059\u306e\u3067\uff0c<br>$$ V = d \\cdot \\Bun{4\\pi kQ}{S} $$\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u6574\u7406\u3059\u308b\u3068\uff0c<br>$$ Q = \\bun{1}{4\\pi k} \\cdot \\bun{S}{d} V $$\u3068\u3044\u3046\u5f0f\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u771f\u7a7a\u306e\u8a98\u96fb\u7387 $\\varepsilon_0$ \u3092\u7528\u3044\u308b\u3068\uff0c<br>$$ Q = \\varepsilon_0 \\Bun{S}{d} V \\stext{\\quad\u2026\u2026\\ \u2606} $$\u3067\u3059\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>\u3053\u306e\u5f0f\u306e\u89e3\u91c8\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6c60\u306e\u63a5\u7d9a<\/h3>\n\n\n\n<p>\u7269\u7406\u57fa\u790e\u3067\u300c\u8d77\u96fb\u529b\u300d\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u969b\u306b\u5b66\u7fd2\u3057\u305f\u300c\u96fb\u5727\u300d\u3068\u3044\u3046\u5358\u8a9e\u3082\uff0c\u4eca\u306e\u7686\u3055\u3093\u306a\u3089\u3088\u308a\u6df1\u304f\u610f\u5473\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8d77\u96fb\u529b\u3068\u3044\u3046\u306e\u306f\u3064\u307e\u308a\uff0c\u300c\u96fb\u4f4d\u304c\u4f4e\u3044\u5834\u6240\u304b\u3089\u9ad8\u3044\u5834\u6240\u3078\u3068\uff0c\u6b63\u306e\u96fb\u8377\u3092\u6301\u3061\u4e0a\u3052\u308b\u5f79\u5272\u300d\u3092\u8868\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\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>\u3067\u306f\uff0c\u96fb\u6c60\u30922\u679a\u306e\u91d1\u5c5e\u677f\u306b\u3064\u306a\u3050\u3068\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u7247\u5074\u306e\u91d1\u5c5e\u677f\u304b\u3089\u3082\u3046\u7247\u65b9\u306e\u91d1\u5c5e\u677f\u3078\u3068\uff0c\u8d77\u96fb\u529b\u304c\u6b63\u306e\u96fb\u8377\u3092\u6301\u3061\u4e0a\u3052\u3066\u304f\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\uff0c\u7247\u65b9\u306e\u91d1\u5c5e\u677f\u306f\u6b63\u306b\uff0c\u3082\u3046\u7247\u65b9\u306e\u91d1\u5c5e\u677f\u306f\u8ca0\u306b\u5e2f\u96fb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u7d42\u7684\u306b2\u679a\u306e\u91d1\u5c5e\u677f\u306e\u9593\u306b\u306f\uff0c\u96fb\u6c60\u306e\u8d77\u96fb\u529b $V$ \u3068\u540c\u3058\u5927\u304d\u3055\u306e\u96fb\u5727\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"371\" height=\"129\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406854.svg\" alt=\"\u7269\u7406854\" class=\"wp-image-6536\"\/><noscript><img decoding=\"async\" width=\"371\" height=\"129\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406854.svg\" alt=\"\u7269\u7406854\" class=\"wp-image-6536\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c\u96fb\u6c60\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\uff0c\u3053\u308c\u307e\u3067\u306b\u8003\u3048\u3066\u3044\u305f\u300c$+Q$ \u3068 $-Q$ \u306e\u96fb\u8377\u3092\u305d\u308c\u305e\u308c\u4e0e\u3048\u305f2\u679a\u306e\u91d1\u5c5e\u677f\u3092\u5411\u304b\u3044\u5408\u308f\u305b\u308b\u300d\u3068\u3044\u3046\u72b6\u6cc1\u304c\u4f5c\u308a\u51fa\u305b\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c$+Q$ \u306e\u96fb\u8377\u3068 $-Q$ \u306e\u96fb\u8377\u304c\u30da\u30a2\u3067\u84c4\u3048\u3089\u308c\u3066\u3044\u308b\u300d\u3068\u6349\u3048\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u306d\u3002\u3053\u306e\u3088\u3046\u306a\uff0c\u96fb\u8377\u3092\u84c4\u3048\u308b\u88c5\u7f6e\u3092<span class=\"st-mymarker-s\"> \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc <\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7279\u306b\uff0c2\u679a\u306e\u5e73\u3089\u306a\u91d1\u5c5e\u677f\u3067\u69cb\u6210\u3055\u308c\u305f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306f <span class=\"st-mymarker-s\">\u5e73\u884c\u5e73\u677f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc<\/span> \u3068\u547c\u3070\u308c\uff0c\u91d1\u5c5e\u677f\u306e\u3053\u3068\u3092 <span class=\"st-mymarker-s\">\u6975\u677f<\/span> \u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u56de\u8def\u56f3\u3067\u306e\u8868\u8a18<\/h3>\n\n\n\n<p>\u56de\u8def\u56f3\u3067\u306f\uff0c2\u672c\u306e\u76f4\u7dda\u3067\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b63\u306b\u5e2f\u96fb\u3057\u3066\u3044\u308b\u6975\u677f\u5074\u304c\u9ad8\u96fb\u4f4d\u3067\u3059\u306e\u3067\uff0c\u96fb\u5727\u3092\u8868\u3059\u4e09\u89d2\u5f62\u306f\u6b21\u306e\u901a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"116\" height=\"102\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406857.svg\" alt=\"\u7269\u7406857\" class=\"wp-image-6539\"\/><noscript><img decoding=\"async\" width=\"116\" height=\"102\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406857.svg\" alt=\"\u7269\u7406857\" class=\"wp-image-6539\"\/><\/noscript><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-5\">\u96fb\u6c17\u5bb9\u91cf<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5f0f\u3092\u518d\u3073<\/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>\u4ee5\u4e0a\u306e\u8a71\u3092\u8e0f\u307e\u3048\u3066\uff0c\u518d\u3073 \u2606 \u306e\u5f0f\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>$V$ \u306f\u63a5\u7d9a\u3057\u3066\u3044\u308b\u96fb\u6c60\u306e\u8d77\u96fb\u529b\uff0c$Q$ \u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u84c4\u3048\u3089\u308c\u305f\u96fb\u6c17\u91cf\u3067\u3059\u3002<br>$$Q = \\varepsilon_0 \\Bun{S}{d} V$$\u3068\u3044\u3046\u5f0f\u306e\u5f62\u304b\u3089\uff0c\u300c\u8d77\u96fb\u529b $V$ \u306e\u96fb\u6c60\u306b\u7e4b\u3044\u3060\u3068\u304d\u306b\u96fb\u8377 $Q$ \u304c\u3069\u308c\u3060\u3051\u84c4\u3048\u3089\u308c\u308b\u304b\u306f\uff0c$\\varepsilon_0\\Bun{S}{d}$ \u306e\u5927\u304d\u3055\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u540c\u3058\u8d77\u96fb\u529b\u306e\u96fb\u6c60\u3092\u7528\u3044\u305f\u5834\u5408\u3067\u3082\uff0c$\\varepsilon_0\\Bun{S}{d}$ \u306e\u90e8\u5206\u306e\u5024\u304c\u5927\u304d\u3051\u308c\u3070\u5927\u304d\u3044\u307b\u3069\uff0c\u5145\u96fb\u3055\u308c\u308b\u96fb\u6c17\u91cf\u3082\u5897\u3048\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6c17\u5bb9\u91cf<\/h3>\n\n\n\n<p>\u4ee5\u4e0a\u304b\u3089\uff0c$\\varepsilon_0\\Bun{S}{d}$ \u306e\u90e8\u5206\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u6027\u80fd\u3092\u8868\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\uff01\u3053\u308c\u3092 <span class=\"st-mymarker-s\">\u96fb\u6c17\u5bb9\u91cf<\/span> \u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"st-mymarker-s\">$C$<\/span> \u306e\u6587\u5b57\u3092\u4f7f\u3063\u3066\u8868\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{F}$\uff08\u30d5\u30a1\u30e9\u30c9\uff09<\/span> \u3067\u3059\u3002<\/p>\n\n\n\n<p>$C = \\varepsilon_0\\Bun{S}{d}$ \u3068\u3057\u3066\u6574\u7406\u3059\u308c\u3070\uff0c<br>$$ Q = CV $$\u3068\u3044\u3046\u5f0f\u304c\u5f97\u3089\u308c\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\u306e\u5f0f\u306f\u3053\u306e\u5148\u4f55\u5ea6\u3082\u4f55\u5ea6\u3082\u4f7f\u3046\u3068\u3063\u3066\u3082\u91cd\u8981\u306a\u5f0f\u3067\u3059\u306e\u3067\uff0c\u306a\u3093\u3068\u3057\u3066\u3067\u3082\u4eca\u3053\u306e\u5834\u3067\u5fc5\u305a\u899a\u3048\u3066\u304f\u3060\u3055\u3044\uff01\u5fc5\u305a\uff01\uff01<\/p>\n<\/div><\/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> \u5e73\u884c\u5e73\u677f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u96fb\u6c17\u5bb9\u91cf\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;\">\u6975\u677f\u306e\u9762\u7a4d\u304c $S$\uff0c\u6975\u677f\u9593\u8ddd\u96e2\u304c $d$ \u306e\u5e73\u884c\u5e73\u677f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u96fb\u6c17\u5bb9\u91cf\u306f\uff0c<\/p><p style=\"margin-bottom: -10px !important;\">$$ C = \\varepsilon_0 \\Bun{S}{d} $$<\/p><p style=\"margin-bottom: -10px !important;\">\u3067\u3042\u308a\uff0c$Q = CV$ \u306e\u95a2\u4fc2\u5f0f\u304c\u6210\u308a\u7acb\u3064\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6c17\u5bb9\u91cf\u306e\u30a4\u30e1\u30fc\u30b8<\/h3>\n\n\n\n<p>\u306a\u304a\uff0c$C = \\varepsilon_0 \\Bun{S}{d}$ \u306e\u5f62\u304b\u3089\u3082\u308f\u304b\u308b\u901a\u308a\uff0c\u300c\u6975\u677f\u306e\u9762\u7a4d $S$ \u304c\u5927\u304d\u3044\u307b\u3069\uff0c\u6975\u677f\u9593\u8ddd\u96e2 $d$ \u304c\u5c0f\u3055\u3044\u307b\u3069\uff0c\u96fb\u6c17\u5bb9\u91cf\u306f\u5927\u304d\u304f\u306a\u308b\u300d\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>\u3053\u308c\u3063\u3066\u30a4\u30e1\u30fc\u30b8\u901a\u308a\u3058\u3083\u306a\u3044\u3067\u3059\u304b\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u9762\u7a4d\u304c\u5e83\u3044\u65b9\u304c\u305f\u304f\u3055\u3093\u96fb\u8377\u3092\u84c4\u3048\u3089\u308c\u305d\u3046\u3067\u3059\u3088\u306d\u3002\u4e00\u65b9\uff0c\u6975\u677f\u540c\u58eb\u304c\u9060\u304f\u306a\u3063\u3066\u3044\u304f\u3068\uff0c\u6027\u80fd\u304c\u4e0b\u304c\u3063\u3066\u3044\u304d\u305d\u3046\u3067\u3059\u3088\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u91d1\u5c5e\u677f\u4e0a\u306e\u96fb\u8377\u3068\u96fb\u6c17\u529b\u7dda2 \u91d1\u5c5e\u677f\u306b\u631f\u307e\u308c\u305f\u9818\u57df\u306e\u96fb\u58343 \u96fb\u5727\u3068\u96fb\u8377\u306e\u95a2\u4fc2\u5f0f4 \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc5 \u96fb\u6c17\u5bb9\u91cf \u91d1\u5c5e\u677f\u4e0a\u306e\u96fb\u8377\u3068\u96fb\u6c17\u529b\u7dda \u91d1\u5c5e\u677f\u3092\u4f7f\u3063\u3066 \u5341\u5206\u306b\u5927\u304d\u306a\u9762\u7a4d $S$ \u306e\u91d1\u5c5e\u677f\u3092\u7528\u610f\u3057\uff0c &#8230; <\/p>\n","protected":false},"author":1,"featured_media":6864,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6863","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\/6863"}],"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=6863"}],"version-history":[{"count":2,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6863\/revisions"}],"predecessor-version":[{"id":6866,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6863\/revisions\/6866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/6864"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}