{"id":143823,"date":"2024-01-14T13:22:05","date_gmt":"2024-01-14T13:22:05","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e7%a9%8d%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%a8%e5%be%ae%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%ae%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\/"},"modified":"2024-02-21T20:03:49","modified_gmt":"2024-02-21T20:03:49","slug":"%e7%a9%8d%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%a8%e5%be%ae%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%ae%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","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e7%a9%8d%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%a8%e5%be%ae%e5%88%86%e5%bd%a2%e5%bc%8f%e3%81%ae%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\/","title":{"rendered":"\u7a4d\u5206\u5f62\u5f0f\u3068\u5fae\u5206\u5f62\u5f0f\u306e\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f |"},"content":{"rendered":"

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u306e\u7a4d\u5206\u5f62\u3068\u5fae\u5206\u5f62<\/h2>\n

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u306f\u3001\u96fb\u78c1\u6c17\u5b66\u306e\u57fa\u672c\u7684\u306a\u65b9\u7a0b\u5f0f\u3067\u3042\u308a\u3001\u7a4d\u5206\u5f62\u3068\u5fae\u5206\u5f62\u306e\u4e21\u65b9\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u96fb\u6c17\u306b\u95a2\u3059\u308b\u30ac\u30a6\u30b9\u306e\u6cd5\u5247\u3001\u78c1\u6c17\u306b\u95a2\u3059\u308b\u30ac\u30a6\u30b9\u306e\u6cd5\u5247\u3001\u30d5\u30a1\u30e9\u30c7\u30fc\u306e\u96fb\u78c1\u8a98\u5c0e\u306e\u6cd5\u5247\u3001\u304a\u3088\u3073\u30a2\u30f3\u30da\u30fc\u30eb\u306e\u6cd5\u5247\uff08\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u4fee\u6b63\u3092\u542b\u3080\uff09\u306e4\u3064\u306e\u65b9\u7a0b\u5f0f\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u7a4d\u5206\u5f62\u3068\u5fae\u5206\u5f62\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u96fb\u6c17\u306b\u95a2\u3059\u308b\u30ac\u30a6\u30b9\u306e\u6cd5\u5247<\/h3>\n

\u7a4d\u5206\u5f62\uff1a<\/b>\u222e E\u30fbdA = (1\/\u03b50<\/sub>) \u222b \u03c1 dV
\n\u5fae\u5206\u5f62\uff1a<\/b>\u2207\u30fbE = \u03c1\/\u03b50<\/sub>
\n\u3053\u3053\u3067\u3001E\u306f\u96fb\u5834\u3092\u3001\u03c1\u306f\u96fb\u8377\u5bc6\u5ea6\u3092\u8868\u3057\u3001\u03b50<\/sub>\u306f\u771f\u7a7a\u306e\u8a98\u96fb\u7387\u3067\u3059\u3002\u7a4d\u5206\u5f62\u306f\u3001\u9589\u3058\u305f\u9762\u3092\u901a\u308b\u96fb\u5834\u306e\u30d5\u30e9\u30c3\u30af\u30b9\u304c\u3001\u305d\u306e\u9762\u306b\u56f2\u307e\u308c\u305f\u96fb\u8377\u306b\u6bd4\u4f8b\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5fae\u5206\u5f62\u306f\u3001\u96fb\u5834\u306e\u767a\u6563\u304c\u5c40\u6240\u7684\u306a\u96fb\u8377\u5bc6\u5ea6\u306b\u6bd4\u4f8b\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u78c1\u6c17\u306b\u95a2\u3059\u308b\u30ac\u30a6\u30b9\u306e\u6cd5\u5247<\/h3>\n

\u7a4d\u5206\u5f62\uff1a<\/b>\u222e B\u30fbdA = 0
\n\u5fae\u5206\u5f62\uff1a<\/b>\u2207\u30fbB = 0
\nB\u306f\u78c1\u5834\u3092\u8868\u3057\u307e\u3059\u3002\u3053\u306e\u6cd5\u5247\u306f\u3001\u78c1\u6c17\u5358\u6975\u5b50\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3001\u3059\u306a\u308f\u3061\u9589\u3058\u305f\u9762\u3092\u901a\u308b\u78c1\u5834\u306e\u30cd\u30c3\u30c8\u30d5\u30e9\u30c3\u30af\u30b9\u304c\u5e38\u306b\u30bc\u30ed\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30d5\u30a1\u30e9\u30c7\u30fc\u306e\u96fb\u78c1\u8a98\u5c0e\u306e\u6cd5\u5247<\/h3>\n

\u7a4d\u5206\u5f62\uff1a<\/b>\u222e E\u30fbdl = -d(\u222b B\u30fbdA)\/dt
\n\u5fae\u5206\u5f62\uff1a<\/b>\u2207\u00d7E = -\u2202B\/\u2202t
\n\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u6642\u9593\u3068\u3068\u3082\u306b\u5909\u5316\u3059\u308b\u78c1\u5834\u304c\u96fb\u5834\u3092\u8a98\u5c0e\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7a4d\u5206\u5f62\u306f\u3001\u9589\u3058\u305f\u30eb\u30fc\u30d7\u3092\u901a\u308b\u96fb\u5834\u306e\u7dda\u7a4d\u5206\u304c\u3001\u305d\u306e\u30eb\u30fc\u30d7\u306b\u3088\u3063\u3066\u56f2\u307e\u308c\u305f\u9762\u3092\u901a\u308b\u78c1\u5834\u306e\u6642\u9593\u5909\u5316\u7387\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30a2\u30f3\u30da\u30fc\u30eb\u306e\u6cd5\u5247\uff08\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u306e\u4fee\u6b63\u3092\u542b\u3080\uff09<\/h3>\n

\u7a4d\u5206\u5f62\uff1a<\/b>\u222e B\u30fbdl = \u03bc0<\/sub> ( \u222b J\u30fbdA + \u03b50<\/sub> * d(\u222b E\u30fbdA)\/dt )
\n\u5fae\u5206\u5f62\uff1a<\/b>\u2207\u00d7B = \u03bc0<\/sub>(J + \u03b50<\/sub> \u2202E\/\u2202t)
\nJ\u306f\u96fb\u6d41\u5bc6\u5ea6\u3092\u8868\u3057\u3001\u03bc0<\/sub>\u306f\u771f\u7a7a\u306e\u900f\u78c1\u7387\u3067\u3059\u3002\u30a2\u30f3\u30da\u30fc\u30eb\u306e\u6cd5\u5247\u306f\u3001\u96fb\u6d41\u3084\u6642\u9593\u5909\u5316\u3059\u308b\u96fb\u5834\u304c\u78c1\u5834\u3092\u751f\u3058\u3055\u305b\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u7a4d\u5206\u5f62\u3068\u5fae\u5206\u5f62\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n

\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u65b9\u7a0b\u5f0f\u306e\u7a4d\u5206\u5f62\u306f\u3001\u9589\u3058\u305f\u9762\uff08\u30d5\u30e9\u30c3\u30af\u30b9\u7a4d\u5206\uff09\u3084\u9589\u3058\u305f\u30eb\u30fc\u30d7\uff08\u7d4c\u8def\u7a4d\u5206\uff09\u3092\u6271\u3044\u3001\u4e00\u65b9\u3001\u5fae\u5206\u5f62\u306f\u96fb\u5834\u3068\u78c1\u5834\u306e\u5c40\u6240\u7684\u306a\u6027\u8cea\u3092\u70b9\u7a7a\u9593\u306e\u96fb\u8377\u3084\u96fb\u6d41\u5206\u5e03\u3068\u95a2\u9023\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u65b9\u7a0b\u5f0f\u306e\u4e21\u65b9\u306e\u5f62\u5f0f\u306f\u3001\u96fb\u78c1\u73fe\u8c61\u306e\u5206\u6790\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u2207\uff08\u30ca\u30d6\u30e9\uff09\u306f\u30d9\u30af\u30c8\u30eb\u5fae\u5206\u6f14\u7b97\u5b50\u3067\u3042\u308a\u3001\u767a\u6563\uff08\u2207\u30fb\uff09\u3084\u56de\u8ee2\uff08\u2207\u00d7\uff09\u306e\u8a08\u7b97\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u2202\/\u2202t\u306f\u6642\u9593\u306b\u95a2\u3059\u308b\u504f\u5fae\u5206\u3092\u8868\u3057\u307e\u3059\u3002
\n\u3053\u308c\u3089\u306e\u65b9\u7a0b\u5f0f\u306b\u3088\u308a\u3001\u96fb\u78c1\u6c17\u5b66\u306e\u591a\u304f\u306e\u57fa\u672c\u7684\u306a\u73fe\u8c61\u304c\u8aac\u660e\u3055\u308c\u3001\u7406\u89e3\u3055\u308c\u307e\u3059\u3002<\/p>\n

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

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

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

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