{"id":209305,"date":"2024-03-21T14:07:13","date_gmt":"2024-03-21T14:07:13","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%90%e3%83%ab%e3%82%af%e3%83%8f%e3%82%a6%e3%82%bc%e3%83%b3%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/"},"modified":"2024-05-17T15:10:17","modified_gmt":"2024-05-17T15:10:17","slug":"%e3%83%90%e3%83%ab%e3%82%af%e3%83%8f%e3%82%a6%e3%82%bc%e3%83%b3%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%90%e3%83%ab%e3%82%af%e3%83%8f%e3%82%a6%e3%82%bc%e3%83%b3%e5%8a%b9%e6%9e%9c%e3%81%ae%e5%bc%8f-%e6%a6%82%e8%a6%81%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u5f0f | \u6982\u8981\u3068\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u6982\u8981\u3001\u89b3\u6e2c\u65b9\u6cd5\u3001\u8a08\u7b97\u5f0f\u3001\u30ce\u30a4\u30ba\u306e\u7279\u5fb4\u3001\u5fdc\u7528\u3001\u5b9f\u9a13\u624b\u9806\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u78c1\u6027\u6750\u6599\u306e\u7406\u89e3\u3092\u6df1\u3081\u307e\u3059\u3002<\/p>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u5f0f | \u6982\u8981\u3068\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

\u7269\u7406\u5b66\u3068\u5de5\u5b66\u306e\u5206\u91ce\u3067\u306f\u3001\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306f\u91cd\u8981\u306a\u73fe\u8c61\u3067\u3059\u3002\u3053\u306e\u52b9\u679c\u306f\u78c1\u6027\u4f53\u306e\u78c1\u5316\u304c\u5c0f\u3055\u306a\u6bb5\u968e\u7684\u5909\u5316\u3092\u7d4c\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u6982\u8981\u3068\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u6982\u8981<\/h2>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\uff08Barkhausen Effect\uff09\u306f\u30011919\u5e74\u306b\u30c9\u30a4\u30c4\u306e\u7269\u7406\u5b66\u8005\u30cf\u30a4\u30f3\u30ea\u30c3\u30d2\u30fb\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u306b\u3088\u3063\u3066\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u52b9\u679c\u306f\u3001\u78c1\u6027\u6750\u6599\u306b\u304a\u3051\u308b\u78c1\u5316\u306e\u5909\u5316\u304c\u9023\u7d9a\u7684\u3067\u306f\u306a\u304f\u3001\u4e00\u9023\u306e\u6025\u6fc0\u306a\u300c\u30b8\u30e3\u30f3\u30d7\u300d\uff08\u6025\u5cfb\u306a\u5909\u52d5\uff09\u306b\u3088\u3063\u3066\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u73fe\u8c61\u306f\u3001\u78c1\u6027\u6750\u6599\u5185\u306e\u78c1\u533a\u58c1\u304c\u4e0d\u9023\u7d9a\u7684\u306b\u79fb\u52d5\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u89b3\u6e2c<\/h2>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306f\u3001\u4e00\u822c\u7684\u306b\u30b3\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u30b3\u30a4\u30eb\u306b\u78c1\u6027\u6750\u6599\uff08\u4f8b\uff1a\u9244\uff09\u3092\u633f\u5165\u3057\u3001\u5916\u90e8\u78c1\u5834\u3092\u5909\u5316\u3055\u305b\u308b\u3068\u304d\u3001\u6750\u6599\u5185\u306e\u78c1\u533a\u304c\u518d\u914d\u5217\u3055\u308c\u308b\u904e\u7a0b\u3067\u96fb\u5727\u306e\u6025\u6fc0\u306a\u5909\u5316\uff08\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u30ce\u30a4\u30ba\uff09\u304c\u751f\u3058\u307e\u3059\u3002\u3053\u308c\u3092\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u306a\u3069\u306e\u88c5\u7f6e\u3067\u89b3\u6e2c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u5f0f<\/h2>\n

\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u3092\u5b9a\u91cf\u7684\u306b\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6570\u5f0f\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u57fa\u672c\u7684\u306a\u5f0f\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u78c1\u5316\u306e\u5909\u5316\uff1a<\/b><\/p>\n

\n\\[\n\\Delta M = \\int_{t_1}^{t_2} V(t) dt\n\\]\n<\/code><\/pre>\n
\u3053\u3053\u3067\u3001 \\( \\Delta M \\) \u306f\u78c1\u5316\u306e\u5909\u5316\u3092\u793a\u3057\u3001 \\( V(t) \\) \u306f\u6642\u9593 \\( t \\) \u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u5185\u306e\u8a98\u5c0e\u96fb\u5727\u3067\u3059\u3002\u3053\u306e\u7a4d\u5206\u306f\u3001\u6642\u9593 \\( t_1 \\) \u304b\u3089\u6642\u9593 \\( t_2 \\) \u307e\u3067\u306e\u9593\u306e\u96fb\u5727\u306e\u5909\u5316\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u30ce\u30a4\u30ba\u306e\u7279\u5fb4<\/h2>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u30ce\u30a4\u30ba\u306f\u3001\u91d1\u5c5e\u6750\u6599\u306e\u78c1\u6027\u7279\u6027\u3092\u8abf\u3079\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u78c1\u533a\u58c1\u306e\u79fb\u52d5\u3084\u6750\u6599\u306e\u69cb\u9020\u7684\u4e0d\u5747\u4e00\u6027\u306b\u95a2\u9023\u3057\u3066\u304a\u308a\u3001\u6750\u6599\u306e\u69cb\u6210\u3084\u51e6\u7406\u72b6\u614b\u306b\u3088\u3063\u3066\u5909\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u6750\u6599\u306e\u5185\u90e8\u69cb\u9020\u3084\u6b20\u9665\u306e\u691c\u51fa\u306b\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u304c\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u5fdc\u7528<\/h2>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306f\u3001\u975e\u7834\u58ca\u691c\u67fb\u306e\u5206\u91ce\u3067\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u6750\u6599\u306e\u5185\u90e8\u72b6\u614b\u3092\u8abf\u3079\u308b\u305f\u3081\u306e\u624b\u6bb5\u3068\u3057\u3066\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u3002\u7279\u306b\u3001\u78c1\u6027\u6750\u6599\u306e\u54c1\u8cea\u7ba1\u7406\u3084\u6a5f\u68b0\u90e8\u54c1\u306e\u5bff\u547d\u4e88\u6e2c\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u9244\u92fc\u88fd\u54c1\u306e\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u3053\u306e\u52b9\u679c\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u88fd\u54c1\u306e\u54c1\u8cea\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306e\u5b9f\u9a13<\/h2>\n
\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u3092\u89b3\u6e2c\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u88c5\u7f6e\u3068\u624b\u9806\u3092\u7528\u3044\u307e\u3059\uff1a<\/p>\n
    \n
  1. \u30b3\u30a4\u30eb\u3068\u78c1\u6027\u6750\u6599\u306e\u6e96\u5099<\/li>\n
  2. \u78c1\u5834\u767a\u751f\u88c5\u7f6e\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/li>\n
  3. \u30b3\u30a4\u30eb\u306b\u633f\u5165\u3057\u305f\u78c1\u6027\u6750\u6599\u306b\u5bfe\u3057\u3066\u5916\u90e8\u78c1\u5834\u3092\u5909\u5316\u3055\u305b\u308b<\/li>\n
  4. \u30b3\u30a4\u30eb\u304b\u3089\u306e\u8a98\u5c0e\u96fb\u5727\u3092\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3067\u89b3\u6e2c\u3059\u308b<\/li>\n<\/ol>\n
    \u3053\u308c\u306b\u3088\u308a\u3001\u78c1\u5316\u306e\u5909\u5316\u306b\u4f34\u3046\u96fb\u5727\u306e\u6025\u5909\u3092\u89b3\u6e2c\u3057\u3001\u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u30ce\u30a4\u30ba\u306e\u89e3\u6790\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
    \u307e\u3068\u3081<\/h2>\n
    \u30d0\u30eb\u30af\u30cf\u30a6\u30bc\u30f3\u52b9\u679c\u306f\u3001\u78c1\u6027\u6750\u6599\u306e\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u73fe\u8c61\u3067\u3059\u3002\u78c1\u533a\u58c1\u306e\u79fb\u52d5\u306b\u4f34\u3046\u78c1\u5316\u306e\u6025\u6fc0\u306a\u5909\u5316\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u3067\u3001\u6750\u6599\u306e\u5185\u90e8\u69cb\u9020\u3084\u54c1\u8cea\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7269\u7406\u5b66\u3084\u5de5\u5b66\u306e\u5206\u91ce\u3067\u5b66\u3073\u3001\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u78c1\u6027\u6750\u6599\u306e\u7279\u6027\u3068\u305d\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u3088\u308a\u6df1\u3044\u7406\u89e3\u304c\u5f97\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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