{"id":6940,"date":"2025-03-27T18:15:34","date_gmt":"2025-03-27T09:15:34","guid":{"rendered":"https:\/\/torisetudy.com\/?p=6940"},"modified":"2025-10-24T18:12:07","modified_gmt":"2025-10-24T09:12:07","slug":"%e5%9c%b0%e5%a0%b4%e3%81%a8%e7%a3%81%e6%9d%9f","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=6940","title":{"rendered":"\u78c1\u5834\u3068\u78c1\u675f"},"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> \u78c1\u8377<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u78c1\u5834<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u78c1\u675f\u5bc6\u5ea6<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u78c1\u675f<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u78c1\u8377<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u8377\u3068\u306f<\/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>\u3044\u3088\u3044\u3088\u96fb\u78c1\u6c17\u5b66\u3082\u5f8c\u534a\u6226\uff01\u78c1\u6c17\u306e\u4e16\u754c\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u57fa\u672c\u3068\u306a\u308b\u90e8\u5206\u306f\u7269\u7406\u57fa\u790e\u3067\u5b66\u7fd2\u3057\u307e\u3057\u305f\u306d\u3002\u96fb\u6c17\u306e\u4e16\u754c\u3067\u306f\u6b63\u8ca0\u306e\u96fb\u8377\u3092\u8003\u3048\u307e\u3057\u305f\u304c\uff0c\u78c1\u6c17\u306e\u4e16\u754c\u3067\u306f\u78c1\u8377\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u78c1\u8377\u306f N \u6975\u3092\u6b63\u3068\u3057\u3066\u6271\u3044\uff0c\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{Wb}$\uff08\u30a6\u30a7\u30fc\u30d0\u30fc\uff09<\/span> \u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u6c17\u529b\u306b\u95a2\u3059\u308b\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247<\/h3>\n\n\n\n<p>\u5927\u304d\u3055\u304c $m_1,\\,m_2$ \u306e\u78c1\u8377\u304c\u8ddd\u96e2 $r$ \u3060\u3051\u9694\u3066\u3066\u304a\u304b\u308c\u3066\u3044\u308b\u72b6\u6cc1\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"177\" height=\"83\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406928.svg\" alt=\"\u7269\u7406928\" class=\"wp-image-6610\"\/><noscript><img decoding=\"async\" width=\"177\" height=\"83\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406928.svg\" alt=\"\u7269\u7406928\" class=\"wp-image-6610\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3068\u304d\uff0c\u305d\u308c\u305e\u308c\u306e\u78c1\u8377\u306f\u4e92\u3044\u306b\uff0c<br>$$f=k_m\\bun{m_1m_2}{r^2}$$\u306e\u5927\u304d\u3055\u306e\u529b\u3092\u53ca\u307c\u3057\u5408\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u300c\u78c1\u6c17\u529b\u306b\u95a2\u3059\u308b\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u300d\u3068\u547c\u3073\u307e\u3059\u304c\uff0c\u96fb\u6c17\u306e\u300c\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u300d\u3068\u540c\u3058\u5f62\u3067\u3059\u306d\uff01<\/p>\n\n\n\n<p>\u78c1\u8377\u304c\u540c\u7b26\u53f7\u306a\u3089\u65a5\u529b\uff0c\u78c1\u8377\u304c\u7570\u7b26\u53f7\u306a\u3089\u5f15\u529b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6c17\u3068\u306e\u9055\u3044<\/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>\u300c\u3064\u307e\u308a\u96fb\u6c17\u3068\u5168\u304f\u540c\u3058\u3063\u3066\u3053\u3068\u306d\uff01\u7c21\u5358\uff01\uff01\u300d\u3068\u601d\u3063\u305f\u7686\u3055\u3093\uff01\u5b9f\u306f\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u305d\u308c\u306f\u300c\u5358\u4e00\u306e\u78c1\u8377\u3092\u6301\u3064\u78c1\u77f3\u306f\u5b58\u5728\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u78c1\u77f3\u3092\u534a\u5206\u306b\u5272\u308b\u3068\uff0c\u5fc5\u305a N \u6975\u3068 S \u6975\u304c\u30da\u30a2\u306b\u306a\u3063\u3066\u65b0\u305f\u306a\u78c1\u77f3\u304c\u3067\u304d\u307e\u3059\u3088\u306d\u3002\u3069\u3093\u306a\u306b\u7d30\u304b\u304f\u5272\u3063\u3066\u3044\u3063\u3066\u3082\uff0c\u5fc5\u305a N \u6975\u3068 S \u6975\u306f\u30da\u30a2\u3067\u5b58\u5728\u3057\uff0c\u5358\u72ec\u3067\u5b58\u5728\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u6b63\u306e\u96fb\u8377\uff0c\u8ca0\u306e\u96fb\u8377\u304c\u5358\u72ec\u3067\u5b58\u5728\u3067\u304d\u308b\u300c\u96fb\u6c17\u306e\u4e16\u754c\u300d\u3068\u306e\u5927\u304d\u306a\u9055\u3044\u304c\u3053\u3053\u306b\u3042\u308a\u307e\u3059\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u78c1\u5834<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u5834\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p>\u7269\u7406\u57fa\u790e\u3067\u306f\u300c\u78c1\u77f3\u306e\u307e\u308f\u308a\u306b\u306f\u78c1\u5834\u304c\u5b58\u5728\u3059\u308b\u300d\u3068\u7d39\u4ecb\u3057\u305f\u3060\u3051\u3067\u3057\u305f\u304c\uff0c\u3059\u3067\u306b\u5b66\u7fd2\u3057\u305f\u96fb\u5834\u3068\u540c\u69d8\u306b\u8003\u3048\u308b\u3053\u3068\u3067\uff0c\u78c1\u5834\u306b\u3064\u3044\u3066\u7406\u89e3\u3092\u6df1\u3081\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u96fb\u5834\u3068\u306f\uff0c\u96fb\u8377\u306e\u5b58\u5728\u306b\u3088\u3063\u3066\u751f\u307f\u51fa\u3055\u308c\u308b\u300c\u5834\u300d\u306e\u3053\u3068\u3067\u3057\u305f\u3002\u300c\u305d\u306e\u5834\u306b\u5358\u4f4d\u96fb\u8377\u3092\u304a\u3044\u305f\u3068\u304d\u306b\uff0c\u5358\u4f4d\u96fb\u8377\u304c\u53d7\u3051\u308b\u529b\u300d\u3068\u3057\u3066\u8003\u3048\u307e\u3057\u305f\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u96fb\u5834\u304c $\\vec{E}$ \u306e\u5834\u6240\u306b $q$ \u306e\u96fb\u8377\u3092\u304a\u304f\u3068\uff0c$\\vec{F}=q\\vec{E}$ \u306e\u529b\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u5834\u3068\u306f<\/h3>\n\n\n\n<p>\u540c\u69d8\u306b\uff0c\u78c1\u8377\u306e\u5b58\u5728\u306b\u3088\u3063\u3066\u751f\u307f\u51fa\u3055\u308c\u308b\u300c\u5834\u300d\u3092 <span class=\"st-mymarker-s\">\u78c1\u5834<\/span> \u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u96fb\u5834\u306e\u5834\u5408\u3068\u540c\u69d8\u306b\uff0c\u300c\u305d\u306e\u5834\u306b\u5358\u4f4d\u78c1\u8377\uff08$+1$ \u306e\u78c1\u8377\uff09\u3092\u304a\u3044\u305f\u3068\u304d\u306b\uff0c\u5358\u4f4d\u78c1\u8377\u304c\u53d7\u3051\u308b\u529b\u300d\u3068\u3057\u3066\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u78c1\u5834\u304c $\\vec{H}$ \u306e\u5834\u6240\u306b $m$ \u306e\u78c1\u8377\u3092\u304a\u304f\u3068\uff0c$\\vec{F}=m\\vec{H}$ \u306e\u529b\u3092\u53d7\u3051\u307e\u3059\u3002\u306a\u304a\uff0c\u78c1\u5834\u306e\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{N\/Wb}$<\/span> \u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"308\" height=\"98\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406929.svg\" alt=\"\u7269\u7406929\" class=\"wp-image-6611\"\/><noscript><img decoding=\"async\" width=\"308\" height=\"98\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406929.svg\" alt=\"\u7269\u7406929\" class=\"wp-image-6611\"\/><\/noscript><\/figure>\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\u8a71\u3092\u805e\u3044\u3066\uff0c\u300c\u3067\u3082\u5358\u4e00\u306e\u78c1\u8377\u306f\u5b58\u5728\u3057\u306a\u3044\u306e\u3060\u304b\u3089\uff0c\u3053\u306e\u8a71\u3063\u3066\u673a\u4e0a\u306e\u7a7a\u8ad6\u3067\u306f\u2026\uff1f\u300d\u3068\u601d\u3063\u305f\u4eba\u306f\u92ed\u3044\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u305d\u3046\u306a\u3093\u3067\u3059\u3002\u305d\u308c\u3086\u3048\uff0c\u9ad8\u6821\u7269\u7406\u3067\u306f\u78c1\u8377\u306b\u3064\u3044\u3066\u6df1\u304f\u6271\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u78c1\u5834\u306f\u901a\u5e38\u306e\u78c1\u77f3\u306e\u307e\u308f\u308a\u306b\u3082\uff0c\u96fb\u6d41\u306e\u307e\u308f\u308a\u306b\u3082\u5b58\u5728\u3059\u308b\u305f\u3081\uff0c\u73fe\u5b9f\u306e\u4e16\u754c\u306e\u8eab\u8fd1\u306a\u8a71\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u306b\u3064\u3044\u3066\u306f\u3057\u3063\u304b\u308a\u3068\u5b66\u7fd2\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u78c1\u675f\u5bc6\u5ea6<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u675f\u5bc6\u5ea6\u3068\u306f<\/h3>\n\n\n\n<p>\u96fb\u6c17\u306e\u4e16\u754c\u3067\u306f\uff0c\u96fb\u5834\u3092\u4e2d\u5fc3\u306b\u9759\u96fb\u6c17\u529b\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u78c1\u6c17\u306e\u4e16\u754c\u3067\u306f\uff0c\u3053\u308c\u304b\u3089\u6271\u3063\u3066\u3044\u304f\u300c\u96fb\u78c1\u529b\u300d\u3084\u300c\u8a98\u5c0e\u8d77\u96fb\u529b\u300d\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\uff0c\u78c1\u5834\u3092\u5229\u7528\u3059\u308b\u3088\u308a\u3082 <span class=\"st-mymarker-s\">\u78c1\u675f\u5bc6\u5ea6<\/span> \u3068\u3044\u3046\u3082\u306e\u3092\u5229\u7528\u3059\u308b\u3068\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6587\u5b57 $\\vec{B}$ \u3092\u7528\u3044\u3066\u8868\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\uff0c\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{T}$\uff08\u30c6\u30b9\u30e9\uff09<\/span> \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>\u300c\u307e\u305f\u65b0\u3057\u3044\u8a71\u304c\u51fa\u3066\u304d\u305f\u3082\u3046\u5acc\u3060\uff01\u300d\u3068\u601d\u3063\u305f\u4eba\u3082\u5b89\u5fc3\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u78c1\u675f\u5bc6\u5ea6 $\\vec{B}$ \u306f\uff0c$\\vec{B}=\\mu_0\\vec{H}$ \u3068\u3057\u3066\u7c21\u5358\u306b\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>$\\mu_0$ \u306f\uff08\u771f\u7a7a\u306e\uff09<span class=\"st-mymarker-s\">\u900f\u78c1\u7387<\/span> \u3068\u547c\u3070\u308c\u308b\u5b9a\u6570\u3067\u3059\u3002\u3064\u307e\u308a\uff0c\u300c\u78c1\u675f\u5bc6\u5ea6\u306f\u78c1\u5834\u3092\u5b9a\u6570\u500d\u3059\u308b\u3060\u3051\u3067\u6c42\u307e\u308b\uff01\u300d\u3068\u3044\u3046\u3053\u3068\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>\u78c1\u5834\u3092\u5b9a\u6570\u500d\u3057\u305f\u3060\u3051\u3067\u3059\u306e\u3067\uff0c\u5411\u304d\u3082\u78c1\u5834\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002<\/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> \u78c1\u675f\u5bc6\u5ea6\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;\">\u78c1\u5834\u306b\u771f\u7a7a\u306e\u900f\u78c1\u7387 $\\mu_0$ \u3092\u304b\u3051\u305f\u3082\u306e\u3092\u78c1\u675f\u5bc6\u5ea6\u3068\u547c\u3076\u3002\u78c1\u675f\u5bc6\u5ea6 $\\vec{B}$ \u306f\uff0c\u305d\u306e\u5834\u306e\u78c1\u5834 $\\vec{H}$ \u3092\u7528\u3044\u3066\uff0c<\/p><p style=\"margin-bottom: -10px !important;\">$$\\vec{B}=\\mu_0\\vec{H}$$<\/p><p style=\"margin-bottom: -10px !important;\">\u3068\u8868\u3055\u308c\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n    <div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"\n        color:#808080;\n        background-color:#f5f5f5;\">\n        \n        <div class=\"clip-fonticon\" style=\"\n            color:#919191; \n            border-color:#9191914d;\">\n            <i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"true\"><\/i>\n        <\/div>\n\n        <div class=\"clip-memotext\" style=\"\n            color:#808080;\">\n            <p>\u771f\u7a7a\u4e2d\u3067\u306a\u3044\u5834\u5408\u306b\u306f\uff0c\u305d\u306e\u7a7a\u9593\u3092\u6e80\u305f\u3059\u7269\u8cea\u306e\u900f\u78c1\u7387 $\\mu$ \u3092\u7528\u3044\u3066 $\\vec{B}=\\mu\\vec{H}$ \u3068\u3059\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n    <div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"\n        color:#808080;\n        background-color:#f5f5f5;\">\n        \n        <div class=\"clip-fonticon\" style=\"\n            color:#919191; \n            border-color:#9191914d;\">\n            <i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"true\"><\/i>\n        <\/div>\n\n        <div class=\"clip-memotext\" style=\"\n            color:#808080;\">\n            <p>\u78c1\u6c17\u306e\u4e16\u754c\u306e\u900f\u78c1\u7387 $\\mu$ \u306f\uff0c\u96fb\u6c17\u306e\u4e16\u754c\u306e\u8a98\u96fb\u7387 $\\varepsilon$ \u3068\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u96fb\u6c17\u5bb9\u91cf\u3092\u8003\u3048\u308b\u969b\u306b\uff0c\u6975\u677f\u9593\u304c\u771f\u7a7a\u306e\u3068\u304d\u306b\u306f $C=\\varepsilon_0\\Bun{S}{d}$\uff0c\u771f\u7a7a\u4ee5\u5916\u306e\u7269\u8cea\u306e\u3068\u304d\u306b\u306f\u305d\u306e\u7269\u8cea\u306e\u8a98\u96fb\u7387 $\\varepsilon$ \u3092\u7528\u3044\u3066 $C=\\varepsilon\\Bun{S}{d}$ \u3068\u3057\u305f\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u307b\u3057\u3044\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u675f\u7dda<\/h3>\n\n\n\n<p>\u5834\u306e\u78c1\u675f\u5bc6\u5ea6\u3092\u8868\u3059\u306e\u306b <span class=\"st-mymarker-s\">\u78c1\u675f\u7dda<\/span> \u3068\u3044\u3046\u3082\u306e\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u306f\u7570\u306a\u308b\u70b9\u304c\u3042\u308b\u306e\u3067\u3059\u304c\uff0c\u78c1\u529b\u7dda\u3068\u304a\u304a\u3088\u305d\u540c\u3058\u3082\u306e\u3067\u3042\u308a\uff0c\u672c\u6570\u3092 $\\mu$ \u500d\u3057\u305f\u3082\u306e\u3068\u8003\u3048\u3066\u5dee\u3057\u652f\u3048\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"156\" height=\"135\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406930.svg\" alt=\"\u7269\u7406930\" class=\"wp-image-6612\"\/><noscript><img decoding=\"async\" width=\"156\" height=\"135\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406930.svg\" alt=\"\u7269\u7406930\" class=\"wp-image-6612\"\/><\/noscript><\/figure>\n\n\n\n<p>\u672c\u6570\u306e\u6c7a\u3081\u65b9\u306e\u30eb\u30fc\u30eb\u306f\u96fb\u6c17\u529b\u7dda\u3068\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u96fb\u6c17\u529b\u7dda\u306f\u300c\u96fb\u5834\u306b\u5782\u76f4\u306a\uff0c\u5358\u4f4d\u9762\u7a4d\u306e\u9762\u3092\u8cab\u304f\u96fb\u6c17\u529b\u7dda\u306e\u672c\u6570\u304c\uff0c\u305d\u306e\u5834\u306e\u96fb\u5834\u306e\u5f37\u3055\u306b\u7b49\u3057\u3044\u300d\u3068\u3044\u3046\u30eb\u30fc\u30eb\u304c\u3042\u308a\u307e\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>\u78c1\u675f\u7dda\u3082\u540c\u69d8\u306b\u300c\u78c1\u675f\u5bc6\u5ea6\u306b\u5782\u76f4\u306a\uff0c\u5358\u4f4d\u9762\u7a4d\u306e\u9762\u3092\u8cab\u304f\u78c1\u675f\u7dda\u306e\u672c\u6570\u304c\uff0c\u305d\u306e\u5834\u306e\u78c1\u675f\u5bc6\u5ea6\u306e\u5927\u304d\u3055\u306b\u7b49\u3057\u3044\u300d\u3068\u3044\u3046\u30eb\u30fc\u30eb\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u78c1\u675f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u78c1\u675f\u3068\u306f<\/h3>\n\n\n\n<p>\u3042\u308b\u9762\u306b\u6ce8\u76ee\u3057\u305f\u3068\u304d\uff0c\u305d\u306e\u9762\u3092\u8cab\u304f\u78c1\u675f\u7dda\u306e\u672c\u6570\u3092 <span class=\"st-mymarker-s\">\u78c1\u675f<\/span> \u3068\u3044\u3044\u307e\u3059\u3002$\\varPhi$\uff08\u30d5\u30a1\u30a4\uff09\u3068\u3044\u3046\u6587\u5b57\u3092\u7528\u3044\u3066\u8868\u3055\u308c\uff0c\u5358\u4f4d\u306f <span class=\"st-mymarker-s\">$\\punit{Wb}$<\/span> \u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u672c\u6570\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u5358\u4f4d\u9762\u7a4d\u3092\u8cab\u304f\u672c\u6570\u304c\u78c1\u675f\u5bc6\u5ea6\u306e\u5927\u304d\u3055 $B$ \u306b\u4e00\u81f4\u3059\u308b\u306e\u3067\uff0c\u9762\u7a4d $S$ \u306e\u9762\u3092\u8cab\u304f\u672c\u6570\u306f\u5358\u7d14\u306b $BS$ \u3068\u3057\u3066\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"170\" height=\"141\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406931.svg\" alt=\"\u7269\u7406931\" class=\"wp-image-6613\"\/><noscript><img decoding=\"async\" width=\"170\" height=\"141\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406931.svg\" alt=\"\u7269\u7406931\" class=\"wp-image-6613\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u78c1\u675f\u306f\u3042\u304f\u307e\u3067\u305d\u306e\u9762\u3092\u300c\u8cab\u304f\u300d\u78c1\u675f\u7dda\u306e\u672c\u6570\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u4e0b\u306e\u5de6\u56f3\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\u3069\u3046\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"299\" height=\"151\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406932.svg\" alt=\"\u7269\u7406932\" class=\"wp-image-6614\"\/><noscript><img decoding=\"async\" width=\"299\" height=\"151\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406932.svg\" alt=\"\u7269\u7406932\" class=\"wp-image-6614\"\/><\/noscript><\/figure>\n\n\n\n<p>\u6ce8\u76ee\u3057\u3066\u3044\u308b\u9762\u306e\u5834\u6240\u306e\u78c1\u675f\u5bc6\u5ea6\u306e\u5927\u304d\u3055\u306f $B$ \u3060\u3068\u3057\u3066\u3082\uff0c\u9762\u3092\u300c\u8cab\u304f\u300d\u78c1\u675f\u7dda\u306f $0$ \u672c\u3067\u3059\u3088\u306d\u3002\u305d\u308c\u3086\u3048\uff0c$\\varPhi=0$ \u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\uff0c\u53f3\u306e\u56f3\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\u3069\u306e\u3088\u3046\u306b\u8003\u3048\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\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>\u9762\u306b\u5bfe\u3057\u3066\u78c1\u675f\u7dda\u304c\u659c\u3081\u306e\u65b9\u5411\u306b\u8cab\u3044\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u3053\u306e\u5834\u5408\u306b\u306f\uff0c\u78c1\u675f\u5bc6\u5ea6\u3092\u6210\u5206\u5206\u89e3\u3092\u3057\u307e\u3057\u3087\u3046\u3002\u9762\u306b\u5782\u76f4\u306a\u65b9\u5411\u306e\u6210\u5206\u3068\uff0c\u9762\u306b\u5e73\u884c\u306a\u65b9\u5411\u306e\u6210\u5206\u306b\u5206\u3051\u3066\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"142\" height=\"135\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406933.svg\" alt=\"\u7269\u7406933\" class=\"wp-image-6615\"\/><noscript><img decoding=\"async\" width=\"142\" height=\"135\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406933.svg\" alt=\"\u7269\u7406933\" class=\"wp-image-6615\"\/><\/noscript><\/figure>\n\n\n\n<p>\u78c1\u675f\u5bc6\u5ea6\u306e\u9762\u306b\u5782\u76f4\u306a\u65b9\u5411\u6210\u5206\u306e\u5927\u304d\u3055\u306f $B\\cos\\theta$ \u3067\u3059\u306d\u3002\u3053\u308c\u306b\u9762\u306e\u9762\u7a4d $S$ \u3092\u304b\u3051\u305f $BS\\cos\\theta$ \u304c\u3053\u306e\u9762\u3092\u901a\u308b\u78c1\u675f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\uff0c\u9762\u306b\u5e73\u884c\u306a\u65b9\u5411\u6210\u5206\u306f\u9762\u3092\u8cab\u304b\u306a\u3044\u305f\u3081\uff0c\u78c1\u675f\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\u306f\u8003\u616e\u3057\u306a\u304f\u3066 ok \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> \u78c1\u675f\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;\">\u3042\u308b\u9762\u3092\u8cab\u304f\u78c1\u675f\u7dda\u306e\u672c\u6570\u3092\u78c1\u675f\u3068\u3044\u3044\uff0c$\\varPhi=BS$ \u3068\u3057\u3066\u6c42\u3081\u308b\u3002\u78c1\u675f\u5bc6\u5ea6\u3068\u9762\u306e\u5411\u304d\u304c\u76f4\u4ea4\u3057\u306a\u3044\u5834\u5408\u306f\uff0c\u9762\u306b\u5782\u76f4\u306a\u65b9\u5411\u6210\u5206\u306e\u5927\u304d\u3055 $BS\\cos\\theta$ \u3092\u7528\u3044\u3066\uff0c$\\varPhi=BS\\cos\\theta$ \u3068\u3059\u308b\u3002<\/p>\n        <\/div>\n    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<\/p>\n","protected":false},"author":1,"featured_media":7688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6940","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\/6940"}],"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=6940"}],"version-history":[{"count":5,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6940\/revisions"}],"predecessor-version":[{"id":7682,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6940\/revisions\/7682"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/7688"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}