{"id":168760,"date":"2024-04-27T15:22:07","date_gmt":"2024-04-27T15:22:07","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e5%b9%b3%e8%a1%8c%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e5%86%86%e7%ad%92%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e7%90%83%e7%8a%b6\/"},"modified":"2024-05-11T14:49:43","modified_gmt":"2024-05-11T14:49:43","slug":"%e5%b9%b3%e8%a1%8c%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e5%86%86%e7%ad%92%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e7%90%83%e7%8a%b6","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e5%b9%b3%e8%a1%8c%e3%83%97%e3%83%ac%e3%83%bc%e3%83%88%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e5%86%86%e7%ad%92%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%80%81%e7%90%83%e7%8a%b6\/","title":{"rendered":"\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306a\u3069"},"content":{"rendered":"<p class=\"sidekick\">\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u7a2e\u985e\u3068\u305d\u306e\u57fa\u672c\u539f\u7406\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u8a18\u4e8b\u3067\u3001\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u3001\u5186\u7b52\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u69cb\u9020\u3068\u8a08\u7b97\u5f0f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/05\/\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306a\u3069.png\" alt=\"\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306a\u3069\"\/><\/p>\n<h2>\u96fb\u6c17\u3068\u78c1\u6c17\u306e\u57fa\u672c\uff1a\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u7a2e\u985e<\/h2>\n<p>\u96fb\u6c17\u3068\u78c1\u6c17\u306f\u73fe\u4ee3\u79d1\u5b66\u306e\u4e2d\u3067\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5fdc\u7528\u306f\u65e5\u5e38\u751f\u6d3b\u306e\u3042\u3089\u3086\u308b\u9762\u306b\u308f\u305f\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u96fb\u6c17\u56de\u8def\u306b\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4e09\u3064\u306e\u57fa\u672c\u5f62\u614b\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u3067\u3059\u3002<\/p>\n<h2>\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5<\/h2>\n<p>\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u3001\u4e8c\u679a\u306e\u5e73\u884c\u306a\u91d1\u5c5e\u677f\u304b\u3089\u306a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u9006\u306e\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u307e\u3059\u3002\u305d\u306e\u5bb9\u91cf(C)\u306f\u3001\u677f\u306e\u9762\u7a4d(A)\u3001\u677f\u540c\u58eb\u306e\u8ddd\u96e2(d)\u3001\u304a\u3088\u3073\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9593\u306e\u6750\u8cea\uff08\u8a98\u96fb\u4f53\uff09\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u8a98\u96fb\u4f53\u306e\u96fb\u6c17\u7684\u7279\u6027\u306f\u8a98\u96fb\u7387(\u03b5)\u3068\u3057\u3066\u8868\u3055\u308c\u307e\u3059\u3002\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u306f\u6b21\u306e\u65b9\u7a0b\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li><i>C = \u03b5 * A \/ d<\/i><\/li>\n<\/ul>\n<h2>\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5<\/h2>\n<p>\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u4e8c\u91cd\u306e\u91d1\u5c5e\u5186\u7b52\u304b\u3089\u6210\u308a\u7acb\u3063\u3066\u3044\u3066\u3001\u5185\u5074\u3068\u5916\u5074\u306e\u5186\u7b52\u306b\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u5f62\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u306f\u3001\u5185\u5074\u306e\u5186\u7b52\u306e\u534a\u5f84(<i>r<sub>1<\/sub><\/i>)\u3001\u5916\u5074\u306e\u5186\u7b52\u306e\u534a\u5f84(<i>r<sub>2<\/sub><\/i>)\u3001\u305d\u3057\u3066\u5186\u7b52\u306e\u9577\u3055(<i>l<\/i>)\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u5186\u7b52\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u3092\u7b97\u51fa\u3059\u308b\u516c\u5f0f\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li><i>C = 2\u03c0\u03b5l \/ ln(r<sub>2<\/sub> \/ r<sub>1<\/sub>)<\/i><\/li>\n<\/ul>\n<p>\u3053\u3053\u3067\u3001<i>ln<\/i>\u306f\u81ea\u7136\u5bfe\u6570\uff08\u30cd\u30a4\u30d4\u30a2\u6570\u306e\u5bfe\u6570\uff09\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<h2>\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5<\/h2>\n<p>\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u4e8c\u3064\u306e\u540c\u5fc3\u306e\u7403\u6bbb\u304b\u3089\u6210\u308a\u3001\u5185\u5074\u306e\u7403\u6bbb\u3068\u5916\u5074\u306e\u7403\u6bbb\u306b\u53cd\u5bfe\u306e\u96fb\u8377\u304c\u5e2f\u3073\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306e\u5bb9\u91cf\u306f\u3001\u5185\u5074\u306e\u7403\u306e\u534a\u5f84(<i>r<sub>1<\/sub><\/i>)\u3068\u5916\u5074\u306e\u7403\u306e\u534a\u5f84(<i>r<sub>2<\/sub><\/i>)\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u5bb9\u91cf\u306e\u516c\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li><i>C = 4\u03c0\u03b5 \/ (1\/r<sub>1<\/sub> &#8211; 1\/r<sub>2<\/sub>)<\/i><\/li>\n<\/ul>\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u4e00\u6642\u7684\u306b\u84c4\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u96fb\u5b50\u56de\u8def\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u767a\u632f\u3001\u4fe1\u53f7\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u5408\u308f\u305b\u306a\u3069\u306e\u6a5f\u80fd\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u5f62\u72b6\u306f\u56fa\u6709\u306e\u6570\u5b66\u7684\u7279\u6027\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u4f7f\u7528\u3055\u308c\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u3088\u3063\u3066\u305d\u306e\u5f62\u72b6\u3092\u9069\u5207\u306b\u9078\u3076\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u7406\u8ad6\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u5927\u5207\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u5de5\u5b66\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u3069\u306e\u3088\u3046\u306b\u7528\u3044\u308b\u304b\u3092\u7d4c\u9a13\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u3053\u306b\u7d39\u4ecb\u3057\u305f\u77e5\u8b58\u304c\u3001\u96fb\u6c17\u3068\u78c1\u6c17\u306e\u9b45\u529b\u7684\u306a\u4e16\u754c\u3078\u306e\u7b2c\u4e00\u6b69\u3068\u306a\u308b\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u7a2e\u985e\u3068\u305d\u306e\u57fa\u672c\u539f\u7406\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u8a18\u4e8b\u3067\u3001\u5e73\u884c\u30d7\u30ec\u30fc\u30c8\u3001\u5186\u7b52\u3001\u7403\u72b6\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u69cb\u9020\u3068\u8a08\u7b97\u5f0f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":201504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[90],"tags":[91],"class_list":["post-168760","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-90","tag-91","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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