{"id":143822,"date":"2024-01-14T13:22:05","date_gmt":"2024-01-14T13:22:05","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%9e%e3%82%af%e3%82%b9%e3%82%a6%e3%82%a7%e3%83%ab%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%a8%e9%9b%bb%e7%a3%81%e5%a0%b4-%e9%9b%bb%e6%b0%97-%e7%a3%81%e6%b0%97\/"},"modified":"2024-02-21T20:03:49","modified_gmt":"2024-02-21T20:03:49","slug":"%e3%83%9e%e3%82%af%e3%82%b9%e3%82%a6%e3%82%a7%e3%83%ab%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%a8%e9%9b%bb%e7%a3%81%e5%a0%b4-%e9%9b%bb%e6%b0%97-%e7%a3%81%e6%b0%97","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%9e%e3%82%af%e3%82%b9%e3%82%a6%e3%82%a7%e3%83%ab%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%a8%e9%9b%bb%e7%a3%81%e5%a0%b4-%e9%9b%bb%e6%b0%97-%e7%a3%81%e6%b0%97\/","title":{"rendered":"\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3068\u96fb\u78c1\u5834 | \u96fb\u6c17 – \u78c1\u6c17"},"content":{"rendered":"

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u65b9\u7a0b\u5f0f\u3068\u96fb\u78c1\u5834<\/h2>\n

19\u4e16\u7d00\u306b\u30b8\u30a7\u30fc\u30e0\u30ba\u30fb\u30af\u30e9\u30fc\u30af\u30fb\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306b\u3088\u3063\u3066\u5b9a\u5f0f\u5316\u3055\u308c\u305f\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u5834\u3068\u78c1\u5834\u306e\u632f\u308b\u821e\u3044\u3092\u8a18\u8ff0\u3059\u308b4\u3064\u306e\u57fa\u672c\u65b9\u7a0b\u5f0f\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u6c17\u3068\u78c1\u6c17\u3092\u4e00\u3064\u306e\u7406\u8ad6\u3001\u3059\u306a\u308f\u3061\u96fb\u78c1\u6c17\u5b66\u306b\u7d71\u4e00\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u78c1\u6ce2\u306e\u4e88\u6e2c\u3068\u305d\u306e\u5f8c\u306e\u767a\u898b\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3057\u305f\u3002\u96fb\u78c1\u6ce2\u306b\u306f\u3001\u30e9\u30b8\u30aa\u6ce2\u3001\u30de\u30a4\u30af\u30ed\u6ce2\u3001\u8d64\u5916\u7dda\u3001\u53ef\u8996\u5149\u7dda\u3001\u7d2b\u5916\u7dda\u3001X\u7dda\u3001\u30ac\u30f3\u30de\u7dda\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n

\u96fb\u6c17\u306e\u30ac\u30a6\u30b9\u306e\u6cd5\u5247<\/h2>\n

\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u5834(E<\/sub>)\u3068\u9818\u57df\u5185\u306e\u96fb\u8377\u5bc6\u5ea6(\u03c1<\/sub>)\u3068\u306e\u95a2\u4fc2\u3092\u793a\u3057\u307e\u3059\u3002\u9589\u66f2\u9762\u3092\u901a\u308b\u96fb\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u306f\u3001\u305d\u306e\u66f2\u9762\u306b\u3088\u3063\u3066\u56f2\u307e\u308c\u305f\u7dcf\u96fb\u8377\u306b\u6bd4\u4f8b\u3059\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u6570\u5b66\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n

\u222e<\/sup> E<\/sub> \u2022 dA<\/sub> = (1\/\u03b50<\/sub>) \u222b<\/sup> \u03c1 dV<\/sub><\/p>\n

\u3053\u3053\u3067\u3001\u222e<\/sup> E<\/sub> \u2022 dA<\/sub>\u306f\u96fb\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u3001\u03b50<\/sub>\u306f\u771f\u7a7a\u306e\u8a98\u96fb\u7387\u3001\u222b<\/sup> \u03c1 dV<\/sub>\u306f\u66f2\u9762\u306b\u3088\u3063\u3066\u56f2\u307e\u308c\u305f\u7dcf\u96fb\u8377\u3067\u3059\u3002<\/p>\n

\u78c1\u6c17\u306e\u30ac\u30a6\u30b9\u306e\u6cd5\u5247<\/h2>\n

\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u9589\u66f2\u9762\u3092\u901a\u308b\u6b63\u5473\u306e\u78c1\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u304c\u30bc\u30ed\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u78c1\u5834\u7dda\u306f\u5e38\u306b\u9589\u3058\u305f\u30eb\u30fc\u30d7\u3092\u5f62\u6210\u3057\u3001\u78c1\u6c17\u5358\u6975\u5b50\uff08\u5b64\u7acb\u3057\u305f\u5317\u6975\u307e\u305f\u306f\u5357\u6975\uff09\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u6570\u5b66\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n

\u222e<\/sup> B<\/sub> \u2022 dA<\/sub> = 0<\/p>\n

\u3053\u3053\u3067\u3001B<\/sub>\u306f\u78c1\u5834\u3001\u222e<\/sup> B<\/sub> \u2022 dA<\/sub>\u306f\u9589\u66f2\u9762\u3092\u901a\u308b\u78c1\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u3067\u3059\u3002<\/p>\n

\u30d5\u30a1\u30e9\u30c7\u30fc\u306e\u96fb\u78c1\u8a98\u5c0e\u306e\u6cd5\u5247<\/h2>\n

\u30d5\u30a1\u30e9\u30c7\u30fc\u306e\u6cd5\u5247\u306f\u3001\u5909\u5316\u3059\u308b\u78c1\u5834\u304c\u9589\u56de\u8def\u5185\u306b\u8d77\u96fb\u529b(EMF)\u3068\u96fb\u5834\u3092\u8a98\u5c0e\u3059\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u539f\u7406\u306f\u3001\u96fb\u6c17\u767a\u96fb\u6a5f\u3084\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002\u6570\u5b66\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n

\u222e<\/sup> E<\/sub> \u2022 dl = -d(\u222b<\/sup> B<\/sub> \u2022 dA<\/sub>)\/dt<\/p>\n

\u3053\u3053\u3067\u3001\u222e<\/sup> E<\/sub> \u2022 dl\u306f\u8d77\u96fb\u529b(EMF)\u3001-d(\u222b<\/sup> B<\/sub> \u2022 dA<\/sub>)\/dt\u306f\u78c1\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u306e\u5909\u5316\u7387\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u30a2\u30f3\u30da\u30fc\u30eb\u306e\u6cd5\u5247\u3068\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u8ffd\u52a0\uff08\u30a2\u30f3\u30da\u30fc\u30eb-\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u6cd5\u5247\uff09<\/h2>\n

\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u78c1\u5834(B<\/sub>)\u3092\u96fb\u6d41\u5bc6\u5ea6(J<\/sub>)\u3068\u5909\u5316\u3059\u308b\u96fb\u5834(E<\/sub>)\u3068\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u9589\u56de\u8def\u3092\u53d6\u308a\u5dfb\u304f\u78c1\u5834\u306f\u3001\u56de\u8def\u3092\u901a\u308b\u7dcf\u96fb\u6d41\u3068\u96fb\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u306e\u5909\u5316\u7387\u306b\u6bd4\u4f8b\u3059\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u6570\u5b66\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n

\u222e<\/sup> B<\/sub> \u2022 dl = \u03bc0<\/sub> ( \u222b<\/sup> J<\/sub> \u2022 dA<\/sub> + \u03b50<\/sub> * d(\u222b<\/sup> E<\/sub> \u2022 dA<\/sub>)\/dt )<\/p>\n

\u3053\u3053\u3067\u3001\u222e<\/sup> B<\/sub> \u2022 dl\u306f\u78c1\u5834\u306e\u5faa\u74b0\u3001\u03bc0<\/sub>\u306f\u771f\u7a7a\u306e\u900f\u78c1\u7387\u3001\u222b<\/sup> J<\/sub> \u2022 dA<\/sub>\u306f\u30eb\u30fc\u30d7\u3092\u901a\u308b\u7dcf\u96fb\u6d41\u3001\u03b50<\/sub> * d(\u222b<\/sup> E<\/sub> \u2022 dA<\/sub>)\/dt\u306f\u96fb\u6c17\u30d5\u30e9\u30c3\u30af\u30b9\u306e\u5909\u5316\u7387\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u53e4\u5178\u96fb\u78c1\u6c17\u5b66\u306e\u57fa\u790e\u3067\u3042\u308a\u3001\u96fb\u78c1\u5834\u3068\u6ce2\u306e\u632f\u308b\u821e\u3044\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u30e9\u30b8\u30aa\u3001\u30c6\u30ec\u30d3\u3001\u30ec\u30fc\u30c0\u30fc\u3001\u7121\u7dda\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3001\u591a\u304f\u306e\u6280\u8853\u306e\u958b\u767a\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"Maxwell's<\/p>\n

\n Original Article<\/a>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u754c\u3068\u78c1\u754c\u306e\u6319\u52d5\u3092\u8a18\u8ff0\u3059\u308b 4 \u3064\u306e\u57fa\u672c\u65b9\u7a0b\u5f0f\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":1579,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[13],"tags":[],"class_list":["post-143822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-13","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3068\u96fb\u78c1\u5834 | \u96fb\u6c17 - \u78c1\u6c17<\/title>\n<meta name=\"description\" content=\"\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u754c\u3068\u78c1\u754c\u306e\u6319\u52d5\u3092\u8a18\u8ff0\u3059\u308b 4 \u3064\u306e\u57fa\u672c\u65b9\u7a0b\u5f0f\u306e\u30bb\u30c3\u30c8\u3067\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%9e%e3%82%af%e3%82%b9%e3%82%a6%e3%82%a7%e3%83%ab%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%a8%e9%9b%bb%e7%a3%81%e5%a0%b4-%e9%9b%bb%e6%b0%97-%e7%a3%81%e6%b0%97\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u3068\u96fb\u78c1\u5834 | \u96fb\u6c17 - 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