{"id":1708,"date":"2026-10-29T02:00:00","date_gmt":"2026-10-28T17:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1708"},"modified":"2026-10-26T02:28:37","modified_gmt":"2026-10-25T17:28:37","slug":"qs-capacitor-charge-sharing-energy-20261026","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1708","title":{"rendered":"\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u3064\u306a\u304e\u66ff\u3048\u3001\u96fb\u8377\u304c\u6b8b\u3063\u3066\u3082\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u6e1b\u308b\u7406\u7531"},"content":{"rendered":"<p>\u5145\u96fb\u3057\u305f\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u3001\u307e\u3060\u5145\u96fb\u3057\u3066\u3044\u306a\u3044\u540c\u3058\u5bb9\u91cf\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3064\u306a\u3050\u3068\u3001\u96fb\u8377\u304c\u79fb\u308a\u3001\u3084\u304c\u3066\u4e21\u65b9\u306e\u96fb\u5727\u304c\u305d\u308d\u3044\u307e\u3059\u3002\u3053\u306e\u524d\u5f8c\u3067\u96fb\u8377\u306e\u53ce\u652f\u3092\u6570\u3048\u308b\u3068\u5408\u3046\u306e\u306b\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u84c4\u3048\u3089\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u534a\u5206\u306b\u306a\u308a\u307e\u3059\u3002\u6b8b\u308a\u306f\u3069\u3053\u3078\u884c\u3063\u305f\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u9593\u306b\u62b5\u6297\u3092\u4e00\u3064\u7f6e\u304f\u3068\u3001\u79fb\u308a\u5909\u308f\u308b\u9014\u4e2d\u307e\u3067\u542b\u3081\u3066\u8aac\u660e\u3067\u304d\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u540c\u3058\u5bb9\u91cf\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u3001\u4e00\u65b9\u306f\u96fb\u5727V\u3001\u3082\u3046\u4e00\u65b9\u306f0 V\u304b\u3089\u3064\u306a\u3050\u3068\u3001\u6700\u7d42\u7684\u306b\u306f\u4e21\u65b9\u3068\u3082V\/2\u306b\u306a\u308a\u307e\u3059\u3002\u96fb\u6e90\u306f\u5207\u308a\u96e2\u3057\u3001\u5916\u3078\u96fb\u8377\u304c\u9003\u3052\u306a\u3044\u6761\u4ef6\u3067\u3059\u3002<\/li>\n<li>\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u96fb\u5727\u306e\u4e8c\u4e57\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u96fb\u5727\u304c\u534a\u5206\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u304c\u4e8c\u3064\u306b\u306a\u3063\u3066\u3082\u3001\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5408\u8a08\u306f\u6700\u521d\u306e\u534a\u5206\u3067\u3059\u3002<\/li>\n<li>\u6709\u9650\u306e\u62b5\u6297\u3092\u901a\u3057\u3066\u96fb\u8377\u3092\u79fb\u3059\u30e2\u30c7\u30eb\u3067\u306f\u3001\u6b8b\u308a\u306e\u534a\u5206\u304c\u62b5\u6297\u306e\u71b1\u306b\u306a\u308a\u307e\u3059\u3002\u62b5\u6297\u3092\u5c0f\u3055\u304f\u3059\u308b\u3068\u96fb\u6d41\u306f\u5927\u304d\u304f\u3001\u79fb\u52d5\u6642\u9593\u306f\u77ed\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u71b1\u306e\u7dcf\u91cf\u306f\u6e1b\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u96fb\u5727\u304c\u305d\u308d\u3046\u307e\u3067\u3001\u4e8c\u3064\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u9593\u3092\u96fb\u8377\u304c\u79fb\u308b<\/h2>\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u306f\u3001\u4e8c\u3064\u306e\u96fb\u6975\u306b\u6b63\u8ca0\u306e\u96fb\u8377\u3092\u5206\u3051\u3066\u84c4\u3048\u308b\u90e8\u54c1\u3067\u3059\u3002\u9759\u96fb\u5bb9\u91cfC\u304c\u4e00\u5b9a\u306a\u3089\u3001\u7247\u5074\u306e\u96fb\u6975\u306e\u96fb\u8377Q\u3068\u3001\u4e21\u96fb\u6975\u306e\u9593\u306e\u96fb\u5727V\u306b\u306f\u3001<strong>Q = CV<\/strong>\u3068\u3044\u3046\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u5bb9\u91cfC\u306e\u30b3\u30f3\u30c7\u30f3\u30b5A\u3068B\u3092\u7528\u610f\u3057\u3001A\u3060\u3051\u3092\u96fb\u5727V\u2080\u307e\u3067\u5145\u96fb\u3057\u307e\u3059\u3002\u5145\u96fb\u306b\u4f7f\u3063\u305f\u96fb\u6e90\u306f\u5207\u308a\u96e2\u3057\u307e\u3059\u3002A\u3068B\u306e\u4e0b\u5074\u306e\u96fb\u6975\u3092\u5171\u901a\u306e\u914d\u7dda\u306b\u3064\u306a\u304e\u3001\u4e0a\u5074\u306e\u96fb\u6975\u540c\u58eb\u3092\u62b5\u6297R\u3068\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3057\u3066\u3064\u306a\u3050\u56de\u8def\u3092\u8003\u3048\u307e\u3059\u3002B\u306e\u521d\u671f\u96fb\u5727\u306f0 V\u3067\u3059\u3002\u6f0f\u308c\u96fb\u6d41\u3084\u914d\u7dda\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u306f\u7121\u8996\u3057\u3001R\u306f\u6b63\u306e\u6709\u9650\u5024\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30a4\u30c3\u30c1\u3092\u9589\u3058\u305f\u76f4\u5f8c\u306fA\u306e\u307b\u3046\u304c\u9ad8\u3044\u96fb\u5727\u306a\u306e\u3067\u3001\u62b5\u6297\u3092\u901a\u3063\u3066A\u304b\u3089B\u3078\u96fb\u6d41\u304c\u6d41\u308c\u307e\u3059\u3002A\u306e\u96fb\u5727\u306f\u4e0b\u304c\u308a\u3001B\u306e\u96fb\u5727\u306f\u4e0a\u304c\u308a\u307e\u3059\u3002\u5341\u5206\u306b\u6642\u9593\u304c\u305f\u3064\u3068\u96fb\u5727\u5dee\u304c\u306a\u304f\u306a\u308a\u3001\u96fb\u6d41\u304c\u6b62\u307e\u308a\u307e\u3059\u3002\u96fb\u6e90\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u5916\u304b\u3089\u96fb\u8377\u304c\u88dc\u5145\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e8c\u3064\u306e\u4e0a\u5074\u96fb\u6975\u306b\u3042\u308b\u96fb\u8377\u306e\u5408\u8a08\u306f\u3001\u521d\u3081\u306fCV\u2080\u3067\u3059\u3002\u6700\u5f8c\u306b\u5171\u901a\u306e\u96fb\u5727Vf\u306b\u306a\u308c\u3070\u3001\u305d\u306e\u5408\u8a08\u306fCVf + CVf\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001<strong>Vf = V\u2080\/2<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u4fdd\u5b58\u3055\u308c\u308b\u3068\u6570\u3048\u3066\u3044\u308b\u306e\u306f\u4e0a\u5074\u306e\u96fb\u6975\u7cfb\u306e\u96fb\u8377\u3067\u3059\u3002\u4e0b\u5074\u306b\u306f\u53cd\u5bfe\u7b26\u53f7\u306e\u96fb\u8377\u304c\u3042\u308a\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u5168\u4f53\u304c\u6b63\u306e\u96fb\u8377\u3060\u3051\u3092\u6301\u3064\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u96fb\u5727\u304c\u534a\u5206\u306b\u306a\u308b\u3068\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u4e00\u500b\u3042\u305f\u308a\u56db\u5206\u306e\u4e00\u306b\u306a\u308b<\/h2>\n<p>\u5bb9\u91cfC\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u84c4\u3048\u3089\u308c\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u3001<strong>U = CV\u00b2\/2<\/strong>\u3067\u3059\u3002\u96fb\u8377\u304c\u540c\u3058\u5272\u5408\u3067\u5206\u304b\u308c\u308c\u3070\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u3082\u540c\u3058\u5272\u5408\u3067\u5206\u304b\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u96fb\u8377\u3092\u79fb\u3059\u9014\u4e2d\u3067\u96fb\u5727\u305d\u306e\u3082\u306e\u304c\u5909\u308f\u308a\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u96fb\u5727\u306e\u4e8c\u4e57\u3067\u5909\u308f\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001C = 10 \u03bcF\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u4e8c\u3064\u4f7f\u3044\u3001A\u306e\u521d\u671f\u96fb\u5727\u309210 V\u3068\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u96fb\u8377\u306fA\u304c100 \u03bcC\u3001B\u304c0\u3002\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u306fA\u304c500 \u03bcJ\u3001B\u304c0\u3067\u3059\u3002\u6700\u5f8c\u306b\u306f\u96fb\u5727\u304c\u4e21\u65b9\u3068\u30825 V\u3068\u306a\u308a\u3001\u96fb\u8377\u306f\u305d\u308c\u305e\u308c50 \u03bcC\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u305d\u308c\u305e\u308c125 \u03bcJ\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u96fb\u8377\u306e\u5408\u8a08\u306f100 \u03bcC\u306e\u307e\u307e\u3067\u3059\u304c\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5408\u8a08\u306f250 \u03bcJ\u3067\u3059\u3002\u6700\u521d\u306e500 \u03bcJ\u304b\u3089250 \u03bcJ\u304c\u6e1b\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u4e8c\u3064\u306b\u5206\u3051\u305f\u3060\u3051\u300d\u3068\u3044\u3046\u8aac\u660e\u3067\u306f\u3001\u3053\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u884c\u304d\u5148\u307e\u3067\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u6e1b\u3063\u305f\u5206\u306f\u3001\u6d41\u308c\u3066\u3044\u308b\u9014\u4e2d\u306e\u96fb\u6d41\u304b\u3089\u8a08\u7b97\u3067\u304d\u308b<\/h2>\n<p>A\u3068B\u306e\u96fb\u5727\u5dee\u3092\u0394V = V<sub>A<\/sub> \u2212 V<sub>B<\/sub>\u3068\u3059\u308b\u3068\u3001\u62b5\u6297\u3092\u6d41\u308c\u308b\u96fb\u6d41\u306fI = \u0394V\/R\u3067\u3059\u3002\u96fb\u8377\u304c\u5c11\u3057\u79fb\u308b\u305f\u3073\u306b\u3001A\u306f\u96fb\u5727\u304c\u4e0b\u304c\u308a\u3001B\u306f\u96fb\u5727\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u540c\u3058\u5bb9\u91cf\u306a\u306e\u3067\u3001\u96fb\u5727\u5dee\u306f\u4e00\u65b9\u3060\u3051\u304c\u5909\u308f\u308b\u5834\u5408\u306e\u4e8c\u500d\u306e\u901f\u3055\u3067\u7e2e\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u56de\u8def\u306e\u96fb\u5727\u5dee\u306f\u3001\u6b21\u306e\u5f0f\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u0394V(t) = V\u2080 exp(\u2212t\/\u03c4)\u3001\u03c4 = RC\/2<\/strong><\/p>\n<p>\u03c4\u306f\u96fb\u5727\u5dee\u304c\u521d\u3081\u306e\u7d0437%\u306b\u306a\u308b\u307e\u3067\u306e\u6642\u9593\u3001\u3064\u307e\u308a\u6642\u5b9a\u6570\u3067\u3059\u3002exp(\u2212t\/\u03c4)\u306f\u3001\u6642\u9593\u3068\u3068\u3082\u306b\u6ed1\u3089\u304b\u306b\u5c0f\u3055\u304f\u306a\u308b\u6307\u6570\u95a2\u6570\u3092\u8868\u3057\u307e\u3059\u3002A\u3068B\u306e\u96fb\u5727\u306f\u3001\u548c\u304cV\u2080\u306e\u307e\u307e\u3067\u5dee\u3060\u3051\u304c\u7e2e\u307e\u308b\u306e\u3067\u3001\u305d\u308c\u305e\u308cV\u2080{1 + exp(\u2212t\/\u03c4)}\/2\u3001V\u2080{1 \u2212 exp(\u2212t\/\u03c4)}\/2\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u62b5\u6297\u304c\u71b1\u306b\u5909\u3048\u308b\u96fb\u529b\u306fI\u00b2R\u3067\u3059\u3002\u3053\u306e\u96fb\u529b\u3092\u63a5\u7d9a\u304b\u3089\u5341\u5206\u306b\u9577\u3044\u6642\u9593\u307e\u3067\u7a4d\u307f\u4e0a\u3052\u308b\u3068\u3001<strong>\u71b1\u306e\u7dcf\u91cf\u306fCV\u2080\u00b2\/4<\/strong>\u3068\u306a\u308a\u3001\u5148\u307b\u3069\u6e1b\u3063\u305f\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002\u9014\u4e2d\u306e\u6642\u523b\u3067\u3082\u3001\u4e8c\u3064\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u3001\u305d\u308c\u307e\u3067\u306b\u751f\u3058\u305f\u71b1\u3092\u8db3\u305b\u3070\u3001\u6700\u521d\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-capacitor-charge-sharing-energy-20261026-figure-bff2cc841579.png\" alt=\"\u5bb9\u91cf10\u30de\u30a4\u30af\u30ed\u30d5\u30a1\u30e9\u30c9\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u4e8c\u3064\u3092\u62b5\u6297\u3067\u3064\u306a\u3044\u3060\u7406\u60f3\u8a08\u7b97\u3002\u4e0a\u6bb5\u3067\u306fA\u306e\u96fb\u5727\u304c10\u30dc\u30eb\u30c8\u304b\u30895\u30dc\u30eb\u30c8\u3078\u3001B\u304c0\u30dc\u30eb\u30c8\u304b\u30895\u30dc\u30eb\u30c8\u3078\u8fd1\u3065\u304f\u3002\u4e0b\u6bb5\u3067\u306f\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u304c500\u304b\u3089250\u30de\u30a4\u30af\u30ed\u30b8\u30e5\u30fc\u30eb\u3078\u6e1b\u308a\u3001\u71b1\u304c0\u304b\u3089250\u30de\u30a4\u30af\u30ed\u30b8\u30e5\u30fc\u30eb\u3078\u5897\u3048\u308b\u3002\" style=\"width:100%;height:auto;max-width:1080px\"><figcaption>\u56de\u8def\u65b9\u7a0b\u5f0f\u304b\u3089\u8a08\u7b97\u3057\u305f\u72ec\u81ea\u56f3\u3002\u6a2a\u8ef8\u306f\u6642\u9593\u3092\u6642\u5b9a\u6570\u03c4\u3067\u5272\u3063\u305f\u5024\u3067\u3059\u3002\u4e0a\u6bb5\u306fA\u3068B\u306e\u96fb\u5727\u3001\u4e0b\u6bb5\u306f\u4e8c\u3064\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5408\u8a08\u3068\u3001\u62b5\u6297\u3067\u751f\u3058\u305f\u71b1\u306e\u7d2f\u7a4d\u3002\u4e0b\u6bb5\u306e\u4e8c\u3064\u306e\u5024\u3092\u8db3\u3059\u3068\u5e38\u306b500 \u03bcJ\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u6e2c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<h2>\u62b5\u6297\u3092\u5c0f\u3055\u304f\u3057\u3066\u3082\u3001\u71b1\u306e\u7dcf\u91cf\u304c\u6e1b\u3089\u306a\u3044\u7406\u7531<\/h2>\n<p>\u540c\u3058\u4f8b\u3067R = 100 \u03a9\u306a\u3089\u3001\u03c4 = 0.5 ms\u3001\u63a5\u7d9a\u76f4\u5f8c\u306e\u96fb\u6d41\u306f0.10 A\u3067\u3059\u3002R = 1,000 \u03a9\u306a\u3089\u3001\u03c4 = 5 ms\u3001\u63a5\u7d9a\u76f4\u5f8c\u306e\u96fb\u6d41\u306f0.010 A\u306b\u306a\u308a\u307e\u3059\u3002\u62b5\u6297\u3092\u5341\u5206\u306e\u4e00\u306b\u3059\u308b\u3068\u3001\u6700\u521d\u306e\u96fb\u6d41\u306f\u5341\u500d\u306b\u5897\u3048\u3001\u96fb\u5727\u5dee\u304c\u89e3\u6d88\u3059\u308b\u6642\u9593\u306f\u5341\u5206\u306e\u4e00\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u767a\u71b1\u306e\u901f\u3055\u306b\u3082\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u63a5\u7d9a\u76f4\u5f8c\u306e\u96fb\u529bV\u2080\u00b2\/R\u306f\u3001100 \u03a9\u306a\u30891 W\u30011,000 \u03a9\u306a\u30890.1 W\u3067\u3059\u3002\u5c0f\u3055\u3044\u62b5\u6297\u3067\u306f\u5f37\u3044\u767a\u71b1\u304c\u77ed\u3044\u6642\u9593\u306b\u96c6\u4e2d\u3057\u3001\u5927\u304d\u3044\u62b5\u6297\u3067\u306f\u5f31\u3044\u767a\u71b1\u304c\u9577\u304f\u7d9a\u304d\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3092\u6642\u9593\u5168\u4f53\u3067\u7a4d\u307f\u4e0a\u3052\u308b\u3068\u3001\u3069\u3061\u3089\u3082250 \u03bcJ\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u305f\u3081\u3001\u62b5\u6297\u3092\u5927\u304d\u304f\u3057\u3066\u7a81\u5165\u96fb\u6d41\u3092\u6291\u3048\u308b\u3053\u3068\u3068\u3001\u79fb\u52d5\u306b\u4f34\u3046\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u6e1b\u3089\u3059\u3053\u3068\u306f\u5225\u306e\u8a2d\u8a08\u8ab2\u984c\u3067\u3059\u3002\u3053\u3053\u3067\u6271\u3063\u305f\u5358\u7d14\u306a\u3064\u306a\u304e\u65b9\u3067\u306f\u3001\u62b5\u6297\u5024\u306f\u4e3b\u306b\u79fb\u308b\u901f\u3055\u3092\u5909\u3048\u3001\u540c\u3058\u521d\u671f\u72b6\u614b\u304b\u3089\u540c\u3058\u6700\u7d42\u72b6\u614b\u307e\u3067\u306e\u71b1\u306e\u7dcf\u91cf\u306f\u5909\u3048\u307e\u305b\u3093\u3002<\/p>\n<h2>\u300c\u534a\u5206\u300d\u306f\u3001\u4eca\u56de\u306e\u521d\u671f\u72b6\u614b\u306b\u5bfe\u5fdc\u3057\u305f\u5024<\/h2>\n<p>\u534a\u5206\u304c\u71b1\u306b\u306a\u308b\u306e\u306f\u3001\u540c\u3058\u5bb9\u91cf\u3067\u3001\u4e00\u65b9\u3060\u3051\u304c\u5145\u96fb\u3055\u308c\u3066\u3044\u308b\u4eca\u56de\u306e\u6761\u4ef6\u3067\u3059\u3002\u5bb9\u91cf\u304cC\u2081\u3068C\u2082\u3001\u521d\u671f\u96fb\u5727\u304cV\u2081\u3068V\u2082\u306e\u5834\u5408\u3001\u540c\u3058\u6975\u6027\u306e\u96fb\u6975\u3092\u6709\u9650\u306e\u62b5\u6297\u3067\u3064\u306a\u3044\u3060\u5f8c\u306e\u96fb\u5727\u306f\u3001(C\u2081V\u2081 + C\u2082V\u2082)\/(C\u2081 + C\u2082)\u3068\u306a\u308a\u307e\u3059\u3002\u71b1\u306b\u306a\u308b\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u3001<strong>{C\u2081C\u2082\/[2(C\u2081 + C\u2082)]}(V\u2081 \u2212 V\u2082)\u00b2<\/strong>\u3067\u3059\u3002\u521d\u3081\u304b\u3089\u96fb\u5727\u304c\u7b49\u3057\u3051\u308c\u3070\u96fb\u6d41\u306f\u6d41\u308c\u305a\u3001\u3053\u306e\u640d\u5931\u3082\u751f\u3058\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001R\u3092\u53b3\u5bc6\u306b0\u3068\u7f6e\u304f\u3053\u3068\u306f\u3001\u4eca\u56de\u306e\u5f0f\u306b0\u3092\u4ee3\u5165\u3059\u308b\u3060\u3051\u3067\u306f\u6271\u3048\u307e\u305b\u3093\u3002\u7570\u306a\u308b\u96fb\u5727\u3092\u6301\u3064\u7406\u60f3\u30b3\u30f3\u30c7\u30f3\u30b5\u540c\u58eb\u3092\u3001\u62b5\u6297\u3082\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3082\u306a\u3044\u914d\u7dda\u3067\u77ac\u6642\u306b\u540c\u3058\u96fb\u5727\u3078\u305d\u308d\u3048\u308b\u3068\u3044\u3046\u4eee\u5b9a\u304c\u7121\u7406\u3092\u751f\u3080\u305f\u3081\u3067\u3059\u3002\u73fe\u5b9f\u306e\u9ad8\u901f\u306a\u3064\u306a\u304e\u66ff\u3048\u3067\u306f\u3001\u914d\u7dda\u306e\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u62b5\u6297\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u5185\u90e8\u306e\u640d\u5931\u306a\u3069\u304c\u96fb\u6d41\u6ce2\u5f62\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<p>\u96fb\u8377\u306e\u53ce\u652f\u304b\u3089\u6700\u7d42\u96fb\u5727\u3092\u6c42\u3081\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u53ce\u652f\u304b\u3089\u79fb\u52d5\u4e2d\u306b\u71b1\u3078\u5909\u308f\u308b\u91cf\u3092\u6c42\u3081\u308b\u3002\u3053\u306e\u9806\u756a\u3067\u8003\u3048\u308b\u3068\u3001\u300c\u96fb\u8377\u304c\u306a\u304f\u306a\u3089\u306a\u3044\u300d\u3053\u3068\u3068\u300c\u84c4\u3048\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5168\u90e8\u6b8b\u308b\u300d\u3053\u3068\u3092\u53d6\u308a\u9055\u3048\u305a\u306b\u3001\u3064\u306a\u304e\u66ff\u3048\u306e\u7d50\u679c\u3092\u8aad\u3081\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>OpenStax, University Physics Volume 2, <a href=\"https:\/\/openstax.org\/books\/university-physics-volume-2\/pages\/8-3-energy-stored-in-a-capacitor\">8.3 Energy Stored in a Capacitor<\/a>\u3002\u5f0f8.10\u306e\u84c4\u7a4d\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u3001\u96fb\u8377\u30fb\u96fb\u5727\u30fb\u9759\u96fb\u5bb9\u91cf\u306e\u95a2\u4fc2\u3092\u53c2\u7167\u3002<\/li>\n<li>OpenStax, University Physics Volume 2, <a href=\"https:\/\/openstax.org\/books\/university-physics-volume-2\/pages\/10-5-rc-circuits\">10.5 RC Circuits<\/a>\u3002\u62b5\u6297\u3068\u5bb9\u91cf\u306e\u56de\u8def\u65b9\u7a0b\u5f0f\u3001\u6307\u6570\u95a2\u6570\u306b\u3088\u308b\u904e\u6e21\u5fdc\u7b54\u3092\u53c2\u7167\u3002\u672c\u6587\u306e\u4e8c\u30b3\u30f3\u30c7\u30f3\u30b5\u56de\u8def\u3001\u6570\u5024\u4f8b\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u53ce\u652f\u3068\u56f3\u306f\u3001\u8a18\u8f09\u3057\u305f\u6761\u4ef6\u304b\u3089\u72ec\u81ea\u306b\u5c0e\u51fa\u30fb\u8a08\u7b97\u30022026\u5e7410\u670826\u65e5\u95b2\u89a7\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5145\u96fb\u3057\u305f\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u3001\u307e\u3060\u5145\u96fb\u3057\u3066\u3044\u306a\u3044\u540c\u3058\u5bb9\u91cf\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3064\u306a\u3050\u3068\u3001\u96fb\u8377\u304c\u79fb\u308a\u3001\u3084\u304c\u3066\u4e21\u65b9\u306e\u96fb\u5727\u304c\u305d\u308d\u3044\u307e\u3059\u3002\u3053\u306e\u524d\u5f8c\u3067\u96fb\u8377\u306e\u53ce\u652f\u3092\u6570\u3048\u308b\u3068\u5408\u3046\u306e\u306b\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u84c4\u3048\u3089\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u534a\u5206\u306b\u306a\u308a\u307e\u3059\u3002\u6b8b\u308a\u306f\u3069\u3053\u3078\u884c\u3063 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[32],"tags":[349],"class_list":["post-1708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-semiconductors-electronics","tag-capacitor-charge-sharing"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-capacitor-charge-sharing-energy-20261026-featured-252c51dddb0f.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1708"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1708\/revisions"}],"predecessor-version":[{"id":1709,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1708\/revisions\/1709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1705"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}