{"description":"1. \u307e\u3048\u304c\u304d \u5b8c\u5168\u5c0e\u4f53\u306e\u78c1\u754c\u306b\u3064\u3044\u3066\u8003\u3048\u305f\u3053\u3068\u304c\u7121\u304f\u3001\u300c\u5b8c\u5168\u5c0e\u4f53\u3068\u8d85\u96fb\u5c0e\u306f\u4f3c\u3066\u975e\u306a\u308b\u3082\u306e\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u898b\u3066\u7d0d\u5f97\u3057\u3066\u3044\u305f\u3002\u3057\u304b\u3057\u3001\u30e9\u30f3\u30c0\u30a6\u306e\u89e3\u6790\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u3001\u8d85\u96fb\u5c0e\u4f53\u306e\u78c1\u754c\u3068\u985e\u4f3c\u6027\u304c\u3042\u308b\u3068\u601d\u3063\u305f\u30022. \u5b8c\u5168\u5c0e\u4f53\u306e\u96fb\u78c1\u754c \u9759\u6b62\u3057\u3066\u3044\u308b\u5b8c\u5168\u5c0e\u4f53\u3067\u306f E=0 \u3067\u3042\u308b (\u6e96\u5b9a\u5e38\u72b6\u614b\u306e\u9759\u6b62\u5c0e\u4f53\u3067\u3082)\u3002\u3053\u308c\u306f\u3001 E = i/\u03c3 \u2192 0 (\u03c3 \u2192 \u221e\u3001\u5b8c\u5168\u5c0e\u4f53\u306e\u3068\u304d)\u304b\u3089\u5c0e\u304b\u308c\u308b\u3002\u3053\u306e\u3068\u304d\u3001(\u5b8c\u5168)\u5c0e\u4f53\u5185\u3067\u306f \u2202B/\u2202t=-rotE=0 \u2192 B=Const (\u6642\u9593\u7684\u306b)\u30fb\u30fb\u30fb\u30fb\u2460\u3068\u306a\u308a\u3001B=0 \u3068\u3057\u3066\u3044\u308b\u66f8\u7c4d\u3082\u3042\u308b\u304c\u305d\u3053\u307e\u3067\u306f\u8a00\u3048\u306a\u3044\u3002\u307e\u305f\u3001\u96fb\u78c1\u8a98\u5c0e\u306e\u6cd5\u5247\u304b\u3089\u7a4d\u5206\u8def\u3092\u5c0e\u4f53\u5185\u306b\u53d6\u308c\u3070 0=\u2232E\u30fbds=-d\u03a6\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/nnggcc6543/20250614/20250614120314.png","blog_title":"nnggcc6543\u2019s blog\u3000\u7269\u7406","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnnggcc6543.hatenadiary.com%2Fentry%2F2025%2F06%2F14%2F120603\" title=\"\u5b8c\u5168\u5c0e\u4f53\u3068\u8d85\u96fb\u5c0e\u4f53\u306e\u78c1\u754c\u3068\u306e\u95a2\u4fc2 - nnggcc6543\u2019s blog\u3000\u7269\u7406\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","type":"rich","version":"1.0","width":"100%","provider_url":"https://hatena.blog","published":"2025-06-14 12:06:03","title":"\u5b8c\u5168\u5c0e\u4f53\u3068\u8d85\u96fb\u5c0e\u4f53\u306e\u78c1\u754c\u3068\u306e\u95a2\u4fc2","author_name":"nnggcc6543","author_url":"https://blog.hatena.ne.jp/nnggcc6543/","categories":["\u96fb\u78c1\u6c17\u5b66(\u78c1\u754c)"],"url":"https://nnggcc6543.hatenadiary.com/entry/2025/06/14/120603","blog_url":"https://nnggcc6543.hatenadiary.com/","height":"190"}