{"id":6952,"date":"2025-03-28T18:09:15","date_gmt":"2025-03-28T09:09:15","guid":{"rendered":"https:\/\/torisetudy.com\/?p=6952"},"modified":"2025-03-28T18:09:19","modified_gmt":"2025-03-28T09:09:19","slug":"%e9%9b%bb%e6%b5%81%e3%81%a8%e7%a3%81%e5%a0%b4","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=6952","title":{"rendered":"\u96fb\u6d41\u3068\u78c1\u5834"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u96fb\u6d41\u3068\u78c1\u5834<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5927\u304d\u3055\u306e\u6c42\u3081\u65b9<\/h3>\n\n\n\n<p>\u7269\u7406\u57fa\u790e\u3067\uff0c3\u7a2e\u985e\u306e\u96fb\u6d41\u306e\u307e\u308f\u308a\u306e\u78c1\u5834\u306b\u3064\u3044\u3066\u6271\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u78c1\u5834\u306e\u69d8\u5b50\u3084\u5411\u304d\u306b\u3064\u3044\u3066\u306f\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u304c\uff0c\u5927\u304d\u3055\u306b\u3064\u3044\u3066\u306f\u6271\u3044\u307e\u305b\u3093\u3067\u3057\u305f\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>\u305d\u308c\u305e\u308c\u306e\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\uff0c\u78c1\u5834\u306e\u5f37\u3055\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u76f4\u7dda\u96fb\u6d41\u306e\u307e\u308f\u308a\u306e\u78c1\u5834<\/h3>\n\n\n\n<p>\u96fb\u6d41\u306e\u5927\u304d\u3055\u3092 $I$\uff0c\u96fb\u6d41\u304b\u3089\u306e\u8ddd\u96e2\u3092 $r$ \u3068\u3057\u305f\u3068\u304d\uff0c\u78c1\u5834\u306e\u5f37\u3055 $H$ \u306f\uff0c<br>$$H=\\bun{I}{2\\pi r}$$\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>$r$ \u306b\u53cd\u6bd4\u4f8b\u3059\u308b\u305f\u3081\uff0c\u96fb\u6d41\u306b\u8fd1\u3051\u308c\u3070\u8fd1\u3044\u307b\u3069\u5f37\u3044\u78c1\u5834\u306b\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3053\u3068\u3092\u8e0f\u307e\u3048\u308b\u3068\uff0c\u3088\u308a\u6b63\u78ba\u306a\u78c1\u5834\u306e\u69d8\u5b50\u306f\u6b21\u56f3\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"156\" height=\"124\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406934.svg\" alt=\"\u7269\u7406934\" class=\"wp-image-6616\"\/><noscript><img decoding=\"async\" width=\"156\" height=\"124\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406934.svg\" alt=\"\u7269\u7406934\" class=\"wp-image-6616\"\/><\/noscript><\/figure>\n\n\n\n<p>\u307e\u305f\uff0c\u3053\u306e\u78c1\u5834\u306e\u5f0f\u306f\u5206\u5b50\u306b $I$\uff0c\u5206\u6bcd\u306b $r$ \u3092\u542b\u3093\u3067\u3044\u308b\u305f\u3081\uff0c\u5358\u4f4d\u306f $\\punit{A\/m}$ \u3068\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>$\\punit{N\/Wb}$ \u3068\u540c\u69d8\uff0c<span class=\"st-mymarker-s\">$\\punit{A\/m}$<\/span> \u3082\u78c1\u5834\u306e\u5358\u4f4d\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>\u4e0a\u306e\u516c\u5f0f\u3092\u3059\u3050\u306b\u601d\u3044\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u3051\u3070\uff0c\u5358\u4f4d\u3082\u3059\u3050\u306b\u308f\u304b\u308b\u305f\u3081\u7121\u7406\u306b\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u5186\u5f62\u96fb\u6d41\u306e\u307e\u308f\u308a\u306e\u78c1\u5834<\/h3>\n\n\n\n<p>\u96fb\u6d41\u306e\u5f37\u3055\u3092 $I$\uff0c\u5186\u5f62\u306e\u96fb\u6d41\u306e\u534a\u5f84\u3092 $r$ \u3068\u3057\u305f\u3068\u304d\uff0c\u5186\u306e\u4e2d\u5fc3\u90e8\u306e\u78c1\u5834\u306e\u5f37\u3055 $H$ \u306f\uff0c<br>$$H=\\bun{I}{2r}$$\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"117\" height=\"100\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406935.svg\" alt=\"\u7269\u7406935\" class=\"wp-image-6617\"\/><noscript><img decoding=\"async\" width=\"117\" height=\"100\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406935.svg\" alt=\"\u7269\u7406935\" class=\"wp-image-6617\"\/><\/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\u308c\u306f\u3042\u304f\u307e\u3067\u5186\u306e\u4e2d\u5fc3\u306e\u78c1\u5834\u306e\u5f37\u3055\u3067\u3042\u308b\u3053\u3068\u306b\u6c17\u3092\u3064\u3051\u3066\u4e0b\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u76f4\u7dda\u96fb\u6d41\u5468\u308a\u306e\u78c1\u5834\u306e\u5f0f\u3068\u4f3c\u3066\u307e\u3059\u306d\u2026\uff01\u5206\u6bcd\u306b $\\pi$ \u304c\u5165\u308b\u304b\u5165\u3089\u306a\u3044\u304b\u306e\u9055\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u76f4\u7dda\u96fb\u6d41\u5468\u308a\u3067\u306f\u78c1\u5834\u304c\u5186\u5f62\uff0c\u5186\u5f62\u96fb\u6d41\u5468\u308a\u3067\u306f\u78c1\u5834\u304c\u76f4\u7dda\u72b6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u524d\u8005\u306f\u78c1\u5834\u304c\u5186\u5f62\u3060\u304b\u3089\u5206\u6bcd\u306b $\\pi$ \u304c\u542b\u307e\u308c\u308b\u300d\u3082\u306e\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u3068\u5fd8\u308c\u306b\u304f\u3044\u306e\u3067\u30aa\u30b9\u30b9\u30e1\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u30bd\u30ec\u30ce\u30a4\u30c9\u306e\u5185\u90e8\u306e\u78c1\u5834<\/h3>\n\n\n\n<p>\u30bd\u30ec\u30ce\u30a4\u30c9\u3092\u6d41\u308c\u308b\u96fb\u6d41\u306e\u5927\u304d\u3055\u3092 $I$\uff0c\u30bd\u30ec\u30ce\u30a4\u30c9\u306e\u5358\u4f4d\u9577\u3055\u3042\u305f\u308a\u306e\u5dfb\u304d\u6570\uff08$1\\m$ \u306e\u7bc4\u56f2\u3067\u4f55\u56de\u5dfb\u304b\u308c\u3066\u3044\u308b\u304b\uff09\u3092 $n$ \u3068\u3057\u305f\u3068\u304d\uff0c\u30bd\u30ec\u30ce\u30a4\u30c9\u5185\u306e\u78c1\u5834\u306e\u5f37\u3055 $H$ \u306f\uff0c<br>$$H=nI$$\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5186\u5f62\u96fb\u6d41\u306e\u4e2d\u5fc3\u306e\u78c1\u5834\u3068\u7570\u306a\u308a\uff0c\u5185\u90e8\u306e\u78c1\u5834\u306e\u5bc6\u5ea6\u306f\u5747\u4e00\u3067\u3059\u306e\u3067\uff0c\u4e2d\u5fc3\u90e8\u306b\u9650\u3089\u305a $H=nI$ \u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\u305f\u3068\u3048\u3070\u30bd\u30ec\u30ce\u30a4\u30c9\u306e\u65ad\u9762\u7a4d\u304c $S$ \u3067\u3042\u308b\u3068\u304d\uff0c\u5185\u90e8\u306e\u78c1\u675f\u5bc6\u5ea6\u306e\u5927\u304d\u3055\u306f $B=\\mu H=\\mu nI$ \u3067\u3059\u306e\u3067\uff0c\u30bd\u30ec\u30ce\u30a4\u30c9\u5185\u306e\u78c1\u675f $\\varPhi$ \u306f\uff0c<br>$$\\varPhi=\\mu nIS$$\u3068\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\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>\u771f\u7a7a\u4e2d\u306b\u304a\u304b\u308c\u305f\u534a\u5f84 $r_0$ \u306e\u5186\u5f62\u306e\u5c0e\u7dda\u306b\uff0c\u5927\u304d\u3055\u304c $I$ \u306e\u96fb\u6d41\u304c\u53cd\u6642\u8a08\u56de\u308a\u306b\u6d41\u308c\u3066\u3044\u308b\u3002\u5186\u306e\u4e2d\u5fc3 $\\rmO$ \u304b\u3089 $l$ \u3060\u3051\u96e2\u308c\u305f\u4f4d\u7f6e\u306b\u76f4\u7dda\u72b6\u306e\u5c0e\u7dda\u304c\u3042\u308a\uff0c\u3053\u306e\u5c0e\u7dda\u306b\u3082\u5f37\u3055\u304c $I$ \u306e\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u3068\u304d\uff0c\u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002\u305f\u3060\u3057\uff0c\u771f\u7a7a\u306e\u900f\u78c1\u7387\u3092 $\\mu_0$ \u3068\u3059\u308b\u3002<\/p><p><figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"135\" height=\"123\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406936.svg\" alt=\"\u7269\u7406936\" class=\"wp-image-6618\"\/><noscript><img decoding=\"async\" width=\"135\" height=\"123\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406936.svg\" alt=\"\u7269\u7406936\" class=\"wp-image-6618\"\/><\/noscript><\/figure><\/p><\/p><p><p class=\"setumonnkakko\">\u5186\u5f62\u306e\u5c0e\u7dda\u306b\u6d41\u308c\u308b\u96fb\u6d41\u304c\u70b9 $\\rmO$ \u306b\u4f5c\u308b\u78c1\u675f\u5bc6\u5ea6\u306e\u5411\u304d\u304a\u3088\u3073\u5927\u304d\u3055\u3092\u6c42\u3081\u3088\u3002<\/p><\/p><p><p class=\"setumonnkakko\">\u70b9 $\\rmO$ \u306b\u304a\u3051\u308b\u78c1\u675f\u5bc6\u5ea6\u304c $0$ \u3068\u306a\u308b\u3068\u304d\uff0c\u76f4\u7dda\u72b6\u306e\u5c0e\u7dda\u306b\u6d41\u308c\u308b\u96fb\u6d41\u306e\u5411\u304d\u304a\u3088\u3073 $r$ \u3092\u6c42\u3081\u3088\u3002<\/p><\/p><p><p><\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h3 class=\"wp-block-heading\">(1) \u306e\u89e3\u304d\u65b9<\/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>\u516c\u5f0f\u3092\u4f7f\u3048\u3070 ok \u3067\u3059\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u96fb\u6d41\u304c\u4f5c\u308b\u78c1\u5834\u306e\u516c\u5f0f\u306f\u3044\u305a\u308c\u3082\u6b63\u78ba\u306b\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u554f\u308f\u308c\u3066\u3044\u308b\u306e\u306f\u78c1\u675f\u5bc6\u5ea6\u3067\u3059\u306e\u3067\uff0c<br>$$B=\\bun{\\mu_0I}{2r}$$\u304c\u7b54\u3048\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\uff0c\u53f3\u306d\u3058\u306e\u6cd5\u5247\u3088\u308a\uff0c\u78c1\u5834\u306e\u5411\u304d\u306f\u7d19\u9762\u5965\u304b\u3089\u624b\u524d\u5411\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u306a\u304a\uff0c\u300c\u7d19\u9762\u624b\u524d\u304b\u3089\u5965\u5411\u304d\u300d\u3068\u300c\u7d19\u9762\u5965\u304b\u3089\u624b\u524d\u5411\u304d\u300d\u3092\u8868\u73fe\u3059\u308b\u969b\u306b\u306f\uff0c\u6b21\u306e\u3088\u3046\u306a\u8a18\u53f7\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"105\" height=\"105\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406937.svg\" alt=\"\u7269\u7406937\" class=\"wp-image-6619\"\/><noscript><img decoding=\"async\" width=\"105\" height=\"105\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406937.svg\" alt=\"\u7269\u7406937\" class=\"wp-image-6619\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3044\u305a\u308c\u3082\u96fb\u78c1\u6c17\u5b66\u306e\u7bc4\u56f2\u3067\u3088\u304f\u4f7f\u3046\u8a18\u53f7\u3067\u3059\u306e\u3067\uff0c\u3057\u3063\u304b\u308a\u3068\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(2) \u306e\u89e3\u304d\u65b9<\/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>\u307e\u305a\u306f\u5411\u304d\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u5186\u5f62\u306e\u96fb\u6d41\u304c\u70b9 $\\rmO$ \u306b\u4f5c\u308b\u78c1\u675f\u5bc6\u5ea6\u304c\u7d19\u9762\u624b\u524d\u5411\u304d\u3067\u3059\u306e\u3067\uff0c\u76f4\u7dda\u96fb\u6d41\u304c\u70b9 $\\rmO$ \u306b\u4f5c\u308b\u78c1\u5834\u306f\u7d19\u9762\u5965\u5411\u304d\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u53f3\u306d\u3058\u306e\u6cd5\u5247\u3092\u8e0f\u307e\u3048\u308b\u3068\uff0c\u76f4\u7dda\u96fb\u6d41\u306f\u4e0a\u5411\u304d\u306b\u6d41\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"143\" height=\"116\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406938.svg\" alt=\"\u7269\u7406938\" class=\"wp-image-6620\"\/><noscript><img decoding=\"async\" width=\"143\" height=\"116\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406938.svg\" alt=\"\u7269\u7406938\" class=\"wp-image-6620\"\/><\/noscript><\/figure>\n\n\n\n<p>\u76f4\u7dda\u96fb\u6d41\u304c\u70b9 $\\rmO$ \u306b\u4f5c\u308b\u78c1\u675f\u5bc6\u5ea6\u306e\u5927\u304d\u3055 $B_1$ \u306f\uff0c\u516c\u5f0f\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c<br>$$B_1=\\Bun{\\mu_0I}{2\\pi l}$$\u3068\u3057\u3066\u6c42\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>2\u3064\u306e\u78c1\u5834\u304c\u4e92\u3044\u306b\u6253\u3061\u6d88\u3057\u5408\u3046\u3053\u3068\u304b\u3089\uff0c\u5927\u304d\u3055\u304c\u7b49\u3057\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\uff0c<br>$$\\Bun{\\mu_0I}{2r}=\\bun{\\mu_0I}{2\\pi l}\\qquad\\therefore \\quad l=\\bun{r}{\\pi}$$\u3068\u3057\u3066\u7b54\u3048\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96fb\u6d41\u3068\u78c1\u5834 \u5927\u304d\u3055\u306e\u6c42\u3081\u65b9 \u7269\u7406\u57fa\u790e\u3067\uff0c3\u7a2e\u985e\u306e\u96fb\u6d41\u306e\u307e\u308f\u308a\u306e\u78c1\u5834\u306b\u3064\u3044\u3066\u6271\u3044\u307e\u3057\u305f\u3002 \u78c1\u5834\u306e\u69d8\u5b50\u3084\u5411\u304d\u306b\u3064\u3044\u3066\u306f\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u304c\uff0c\u5927\u304d\u3055\u306b\u3064\u3044\u3066\u306f\u6271\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u306d\u3002 \u76f4\u7dda\u96fb\u6d41\u306e\u307e\u308f\u308a\u306e &#8230; <\/p>\n","protected":false},"author":1,"featured_media":6948,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,23],"tags":[],"class_list":["post-6952","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\/6952"}],"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=6952"}],"version-history":[{"count":3,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6952\/revisions"}],"predecessor-version":[{"id":7045,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/6952\/revisions\/7045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/6948"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}