{"id":213737,"date":"2024-08-05T05:47:39","date_gmt":"2024-08-05T05:47:39","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=213737"},"modified":"2024-08-05T05:47:39","modified_gmt":"2024-08-05T05:47:39","slug":"%e8%aa%98%e9%9b%bb%e4%bd%93%e3%81%af%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%81%ae%e9%9d%99%e9%9b%bb%e5%ae%b9%e9%87%8f%e3%81%ab%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%bd%b1%e9%9f%bf","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e8%aa%98%e9%9b%bb%e4%bd%93%e3%81%af%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%81%ae%e9%9d%99%e9%9b%bb%e5%ae%b9%e9%87%8f%e3%81%ab%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%bd%b1%e9%9f%bf\/","title":{"rendered":"\u8a98\u96fb\u4f53\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3059\u308b\u306e\u304b\uff1f"},"content":{"rendered":"<p class=\"sidekick\">\u8a98\u96fb\u4f53\u304c\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306b\u3064\u3044\u3066\u306e\u57fa\u790e\u3092\u89e3\u8aac\u3002\u8a98\u96fb\u4f53\u306e\u7a2e\u985e\u3084\u7279\u6027\u304c\u5bb9\u91cf\u306b\u3069\u3046\u4f5c\u7528\u3059\u308b\u304b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8a98\u96fb\u4f53\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3059\u308b\u306e\u304b\uff1f<\/h2>\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u3001\u4e8c\u3064\u306e\u96fb\u6975\u306e\u9593\u306b\u96fb\u8377\u3092\u84c4\u3048\u308b\u96fb\u5b50\u90e8\u54c1\u3067\u3059\u3002\u3053\u306e\u96fb\u8377\u306e\u84c4\u7a4d\u80fd\u529b\u3092\u9759\u96fb\u5bb9\u91cf\uff08C\uff09\u3068\u547c\u3073\u307e\u3059\u3002\u9759\u96fb\u5bb9\u91cf\u306f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u69cb\u9020\u3068\u5185\u90e8\u306e\u6750\u6599\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002\u7279\u306b\u3001\u96fb\u6975\u9593\u306e\u6750\u6599\u3001\u3064\u307e\u308a\u8a98\u96fb\u4f53\uff08\u7d76\u7e01\u4f53\uff09\u306f\u3001\u9759\u96fb\u5bb9\u91cf\u306b\u91cd\u8981\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<h2>\u9759\u96fb\u5bb9\u91cf\u306e\u57fa\u672c\u5f0f<\/h2>\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cfC\u306f\u3001\u4ee5\u4e0b\u306e\u5f0f\u3067\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n<p>C = \u03b5 * (A \/ d)<\/p>\n<ul>\n<li>\u03b5: \u8a98\u96fb\u7387\uff08\u7d76\u7e01\u6750\u6599\u306e\u7279\u6027\u3092\u8868\u3059\u5024\uff09<\/li>\n<li>A: \u96fb\u6975\u306e\u9762\u7a4d<\/li>\n<li>d: \u96fb\u6975\u9593\u306e\u8ddd\u96e2<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u9759\u96fb\u5bb9\u91cfC\u306f\u8a98\u96fb\u7387\u03b5\u306b\u76f4\u63a5\u6bd4\u4f8b\u3057\u3001\u96fb\u6975\u9593\u306e\u8ddd\u96e2d\u306b\u9006\u6bd4\u4f8b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8a98\u96fb\u4f53\u306e\u5f79\u5272<\/h2>\n<p>\u8a98\u96fb\u4f53\u306f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u4e8c\u3064\u306e\u96fb\u6975\u9593\u306b\u631f\u307e\u308c\u3066\u304a\u308a\u3001\u9759\u96fb\u5bb9\u91cf\u3092\u5897\u52a0\u3055\u305b\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u7a7a\u6c17\u306e\u8a98\u96fb\u7387\u3092\u03b5<sub>0<\/sub>\u3068\u3057\u305f\u5834\u5408\u3001\u5927\u90e8\u5206\u306e\u8a98\u96fb\u4f53\u306e\u8a98\u96fb\u7387\u306f\u03b5<sub>r<\/sub>\u3068\u8868\u3055\u308c\u3001\u6b21\u306e\u3088\u3046\u306a\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<p>\u03b5 = \u03b5<sub>0<\/sub> * \u03b5<sub>r<\/sub><\/p>\n<p>\u3053\u3053\u3067\u3001\u03b5<sub>r<\/sub>\u306f\u8a98\u96fb\u4f53\u306e\u6bd4\u8a98\u96fb\u7387\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30ac\u30e9\u30b9\u306e\u6bd4\u8a98\u96fb\u7387\u306f\u7d044\u304b\u308910\u3001\u6c34\u306f\u7d0480\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u8a98\u96fb\u4f53\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u9759\u96fb\u5bb9\u91cf\u306f\u5927\u304d\u304f\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8a98\u96fb\u4f53\u304c\u9759\u96fb\u5bb9\u91cf\u306b\u4e0e\u3048\u308b\u5177\u4f53\u7684\u306a\u5f71\u97ff<\/h2>\n<ul>\n<li><strong>\u7a7a\u6c17\uff1a<\/strong>\u03b5<sub>r<\/sub> \u2248 1\u3002\u9759\u96fb\u5bb9\u91cf\u306f\u6700\u4f4e\u30ec\u30d9\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30ac\u30e9\u30b9\uff1a<\/strong>\u03b5<sub>r<\/sub> \u2248 4-10\u3002\u9759\u96fb\u5bb9\u91cf\u306f\u7a7a\u6c17\u306b\u6bd4\u3079\u30664\u304b\u308910\u500d\u306b\u5897\u52a0\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6c34\uff1a<\/strong>\u03b5<sub>r<\/sub> \u2248 80\u3002\u9759\u96fb\u5bb9\u91cf\u306f\u7a7a\u6c17\u306b\u6bd4\u3079\u306680\u500d\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5c0e\u5165\u3059\u308b\u8a98\u96fb\u4f53\u306e\u7279\u6027\u306b\u3088\u3063\u3066\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u6027\u80fd\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u969b\u306e\u5fdc\u7528<\/h2>\n<p>\u591a\u304f\u306e\u5b9f\u969b\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3067\u4f7f\u7528\u3055\u308c\u308b\u8a98\u96fb\u4f53\u306b\u306f\u3001\u30bb\u30e9\u30df\u30c3\u30af\u3001\u9ad8\u5206\u5b50\u30d5\u30a3\u30eb\u30e0\u3001\u96fb\u89e3\u8cea\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6750\u6599\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u6bd4\u8a98\u96fb\u7387\u3068\u7279\u6027\u306b\u3088\u3063\u3066\u9069\u5207\u306a\u5fdc\u7528\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<ul>\n<li><strong>\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\uff1a<\/strong>\u9ad8\u8a98\u96fb\u7387\u3092\u6301\u3064\u30bb\u30e9\u30df\u30c3\u30af\u304c\u4f7f\u7528\u3055\u308c\u3001\u591a\u5c64\u69cb\u9020\u306b\u3088\u308a\u9ad8\u3044\u9759\u96fb\u5bb9\u91cf\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30d5\u30a3\u30eb\u30e0\u30b3\u30f3\u30c7\u30f3\u30b5\uff1a<\/strong>\u30dd\u30ea\u30a8\u30b9\u30c6\u30eb\u3084\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u30d5\u30a3\u30eb\u30e0\u304c\u4f7f\u7528\u3055\u308c\u3001\u9577\u5bff\u547d\u3068\u9ad8\u3044\u4fe1\u983c\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u96fb\u89e3\u30b3\u30f3\u30c7\u30f3\u30b5\uff1a<\/strong>\u96fb\u89e3\u8cea\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u975e\u5e38\u306b\u9ad8\u3044\u9759\u96fb\u5bb9\u91cf\u3092\u5b9f\u73fe\u3057\u307e\u3059\u304c\u3001\u5bff\u547d\u304c\u6bd4\u8f03\u7684\u77ed\u3044\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u8a98\u96fb\u4f53\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u306b\u76f4\u63a5\u7684\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6bd4\u8a98\u96fb\u7387\u304c\u9ad8\u3044\u6750\u6599\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u3058\u69cb\u9020\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3067\u3082\u3088\u308a\u591a\u304f\u306e\u96fb\u8377\u3092\u84c4\u3048\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u9069\u5207\u306a\u8a98\u96fb\u4f53\u306e\u9078\u629e\u306f\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u6027\u80fd\u5411\u4e0a\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a98\u96fb\u4f53\u304c\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9759\u96fb\u5bb9\u91cf\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306b\u3064\u3044\u3066\u306e\u57fa\u790e\u3092\u89e3\u8aac\u3002\u8a98\u96fb\u4f53\u306e\u7a2e\u985e\u3084\u7279\u6027\u304c\u5bb9\u91cf\u306b\u3069\u3046\u4f5c\u7528\u3059\u308b\u304b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[102],"tags":[],"class_list":["post-213737","post","type-post","status-publish","format-standard","hentry","category-102","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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