{"id":34806,"date":"2021-09-21T13:00:19","date_gmt":"2021-09-21T13:00:19","guid":{"rendered":"https:\/\/toposuranos.com\/material\/?p=34806"},"modified":"2025-09-21T02:20:58","modified_gmt":"2025-09-21T02:20:58","slug":"%e9%9b%bb%e5%a0%b4%e3%81%ae%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"http:\/\/toposuranos.com\/material\/ja\/%e9%9b%bb%e5%a0%b4%e3%81%ae%e6%a6%82%e5%bf%b5\/","title":{"rendered":"\u96fb\u5834\u306e\u6982\u5ff5"},"content":{"rendered":"<style>\n\tp, ul, ol {\n\t\ttext-align: justify;\n\t}\n\th1, h2 {\n\ttext-align:center;\n\t}\n<\/style>\n<h1>\u96fb\u5834\u306e\u6982\u5ff5<\/h1>\n<p style=\"text-align:center;\"><em>19\u4e16\u7d00\u3001\u96fb\u6c17\u5206\u91ce\u306b\u304a\u3051\u308b\u6700\u3082\u5049\u5927\u306a\u5b9f\u9a13\u5bb6\u306e\u4e00\u4eba\u3067\u3042\u308b\u30de\u30a4\u30b1\u30eb\u30fb\u30d5\u30a1\u30e9\u30c7\u30fc\u306f\u3001\u72ec\u7279\u306a\u65b9\u6cd5\u3067\u7814\u7a76\u3092\u884c\u3063\u3066\u3044\u305f\u3002\u5f7c\u306e\u5b9f\u9a13\u5ba4\u306f\u7cf8\u3001\u5e2f\u96fb\u3057\u305f\u7403\u4f53\u3001\u305d\u3057\u3066\u5c0e\u96fb\u6027\u6db2\u4f53\u3092\u5165\u308c\u305f\u5c0f\u3055\u306a\u5bb9\u5668\u3067\u6e80\u305f\u3055\u308c\u3066\u3044\u305f\u3002\u3042\u308b\u6709\u540d\u306a\u9038\u8a71\u306b\u3088\u308c\u3070\u3001\u96fb\u8377\u3092\u53d6\u308a\u5dfb\u304f\u300c\u529b\u306e\u7dda\u300d\u3092\u8996\u899a\u5316\u3057\u3088\u3046\u3068\u3059\u308b\u5f7c\u306e\u57f7\u5ff5\u304b\u3089\u3001\u9244\u7c89\u3092\u5b9f\u9a13\u5ba4\u4e2d\u306b\u307e\u304d\u6563\u3089\u3057\u3001\u5e8a\u4e00\u9762\u306b\u73fe\u4ee3\u7f8e\u8853\u306e\u3088\u3046\u306a\u6a21\u69d8\u3092\u6b8b\u3057\u305f\u3068\u3044\u3046\u3002\u56f0\u60d1\u3057\u305f\u540c\u50da\u305f\u3061\u306f\u5f7c\u304c\u6b63\u6c17\u3092\u5931\u3063\u305f\u3068\u601d\u3063\u305f\u304c\u3001\u30d5\u30a1\u30e9\u30c7\u30fc\u306f\u5b9f\u969b\u306b\u306f\u6700\u3082\u9769\u65b0\u7684\u306a\u6982\u5ff5\u306e\u4e00\u3064\u3067\u3042\u308b\u300c\u96fb\u5834\u300d\u3092\u63cf\u304d\u51fa\u3057\u3066\u3044\u305f\u306e\u3067\u3042\u308b\u3002\u672c\u7a3f\u3067\u306f\u3001\u3053\u306e\u5929\u624d\u7684\u306a\u5b9f\u9a13\u304b\u3089\u751f\u307e\u308c\u305f\u601d\u60f3\u304c\u3001\u96fb\u6c17\u3092\u652f\u914d\u3059\u308b\u76ee\u306b\u898b\u3048\u306a\u3044\u76f8\u4e92\u4f5c\u7528\u3092\u3069\u306e\u3088\u3046\u306b\u53ef\u8996\u5316\u3057\u3001\u7406\u89e3\u3059\u308b\u624b\u52a9\u3051\u3068\u306a\u308b\u306e\u304b\u3092\u63a2\u7a76\u3059\u308b\u3002\u76ee\u306b\u898b\u3048\u306a\u3044\u3082\u306e\u3092\u3069\u3046\u3084\u3063\u3066\u300c\u898b\u308b\u300d\u306e\u304b\u3092\u7591\u554f\u306b\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u306a\u3089\u3070\u3001\u672c\u7a3f\u306f\u307e\u3055\u306b\u305d\u306e\u305f\u3081\u306e\u6848\u5185\u3067\u3042\u308b\u3002<\/em><\/p>\n<p style=\"text-align:center;\"><strong>\u5b66\u7fd2\u76ee\u6a19:<\/strong><br \/>\n\u672c\u8b1b\u7fa9\u7d42\u4e86\u5f8c\u3001\u5b66\u751f\u306f\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002\n<\/p>\n<ol>\n<li><strong>\u7406\u89e3\u3059\u308b<\/strong>: \u96fb\u5834\u306e\u6982\u5ff5\u3068\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306b\u3088\u308b\u96fb\u6c17\u529b\u3068\u306e\u95a2\u4fc2\u3002<\/li>\n<li><strong>\u9069\u7528\u3059\u308b<\/strong>: \u96fb\u5834\u306e\u5b9a\u7fa9\u3092\u7528\u3044\u3066\u70b9\u96fb\u8377\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u304f\u3002<\/li>\n<li><strong>\u5206\u6790\u3059\u308b<\/strong>: \u96fb\u5834\u8a08\u7b97\u306b\u304a\u3051\u308b\u96e2\u6563\u7684\u304a\u3088\u3073\u9023\u7d9a\u7684\u96fb\u8377\u5206\u5e03\u306b\u5bfe\u3059\u308b\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3002<\/li>\n<li><strong>\u8a55\u4fa1\u3059\u308b<\/strong>: \u7dda\u72b6\u3001\u8868\u9762\u3001\u4f53\u7a4d\u5206\u5e03\u3092\u7a4d\u5206\u3057\u3066\u8907\u96d1\u306a\u914d\u7f6e\u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u3059\u308b<\/strong>: \u5e2f\u96fb\u68d2\u3001\u5e2f\u96fb\u74b0\u3001\u7121\u9650\u5e73\u9762\u306a\u3069\u306e\u69cb\u6210\u306b\u95a2\u3059\u308b\u5b9f\u8df5\u7684\u306a\u6f14\u7fd2\u554f\u984c\u3002<\/li>\n<\/ol>\n<p style=\"text-align:center;\"><strong><u>\u76ee\u6b21<\/u>:<\/strong><br \/>\n<a href=\"#1\">\u96fb\u5834\u3068\u306f\u4f55\u304b\uff1f<\/a><br \/>\n<a href=\"#2\">\u96fb\u5834\u3068\u96fb\u8377\u5206\u5e03<\/a><br \/>\n<a href=\"#3\">\u6f14\u7fd2\u554f\u984c<\/a>\n<\/p>\n<p><center><iframe class=\"lazyload\" width=\"560\" height=\"315\" data-src=\"https:\/\/www.youtube.com\/embed\/KWwRfJ9ZRrA\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/center><br \/>\n<a name=\"1\"><\/a><\/p>\n<h2>\u96fb\u5834\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=191s\" target=\"_blank\" rel=\"noopener\"><strong>\u96fb\u8377\u6e90\u3092\u914d\u7f6e\u3057\u305f\u3068\u304d<\/strong><\/a>\u3001\u305d\u306e\u5b58\u5728\u306f\u8a66\u9a13\u96fb\u8377\u304c\u611f\u3058\u308b<strong>\u96fb\u6c17\u529b<\/strong>\u3092\u901a\u3058\u3066\u78ba\u8a8d\u3067\u304d\u308b\u3002\u3053\u306e\u529b\u306f\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306b\u3088\u3063\u3066\u7814\u7a76\u3055\u308c\u308b\u3002\u3053\u306e\u89b3\u70b9\u304b\u3089\u3001\u96fb\u8377\u6e90\u306f\u7a7a\u9593\u3092\u300c\u6e80\u305f\u3057\u300d\u3001\u96fb\u6c17\u529b\u3092\u751f\u3058\u3055\u305b\u308b\u6027\u8cea\u3067\u3042\u308b\u96fb\u5834\u3092\u5f62\u6210\u3059\u308b\u3068\u8003\u3048\u308b\u3002<\/p>\n<p>\u7a7a\u9593\u306e\u3042\u308b\u70b9 <span class=\"katex-eq\" data-katex-display=\"false\">\\vec{r}<\/span> \u306b\u304a\u3051\u308b\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q<\/span> \u306e\u96fb\u5834\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u4f4d\u7f6e\u306b\u8a66\u9a13\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q_0<\/span> \u3092\u7f6e\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002\u96fb\u5834\u306f\u3001\u5358\u4f4d\u96fb\u8377\u3042\u305f\u308a\u8a66\u9a13\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q_0<\/span> \u304c\u611f\u3058\u308b\u96fb\u6c17\u529b\u3068\u3057\u3066\u8a18\u8ff0\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\vec{E}_q(\\vec{r}) = \\displaystyle \\frac{\\vec{F}_{q\\to q_0}(\\vec{r})}{q_0}<\/span>\n<p>\u3057\u304b\u3057\u3001\u3053\u306e\u65b9\u6cd5\u3067\u306f\u8a66\u9a13\u96fb\u8377\u81ea\u4f53\u3082\u96fb\u5834\u3092\u6301\u3061\u3001\u305d\u308c\u304c\u96fb\u8377\u6e90\u306e\u96fb\u5834\u3068\u91cd\u306a\u308a\u5408\u3046\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u898b\u843d\u3068\u3057\u3066\u3057\u307e\u3046\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u96fb\u5834\u306f\u6b21\u306e\u6975\u9650\u3092\u7528\u3044\u3066\u5b9a\u7fa9\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle\\vec{E}_q(\\vec{r}) = \\lim_{q_0 \\to 0} \\frac{\\vec{F}_{q\\to q_0}(\\vec{r})}{q_0}<\/span>\n<p>\u3053\u306e\u3088\u3046\u306b\u6975\u9650\u3092\u7528\u3044\u305f\u5b9a\u7fa9\u306b\u3088\u3063\u3066\u3001\u8a66\u9a13\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q_0<\/span> \u306e\u96fb\u5834\u304c\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q<\/span> \u306e\u96fb\u5834\u6e2c\u5b9a\u306b\u5e72\u6e09\u3057\u306a\u3044\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002\u3053\u3053\u3067\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3092\u601d\u3044\u51fa\u3059\u3068\u3001\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">q<\/span> \u3092\u6301\u3064\u7c92\u5b50\u306e\u96fb\u5834\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle\\vec{E}_q(\\vec{r}) = \\lim_{q_0 \\to 0} \\frac{1}{q_0} \\frac{1}{4\\pi \\epsilon_0} \\frac{qq_0}{\\|\\vec{r} -\\vec{r}^\\prime\\|^2} \\frac{\\vec{r} -\\vec{r}^\\prime}{\\|\\vec{r} -\\vec{r}^\\prime\\|} = \\frac{q}{4\\pi\\epsilon_0} \\frac{\\vec{r} -\\vec{r}^\\prime}{\\|\\vec{r} -\\vec{r}^\\prime\\|^3} <\/span>\n<p>\u3057\u305f\u304c\u3063\u3066\u6b21\u306e\u95a2\u4fc2\u304c\u6210\u308a\u7acb\u3064\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\vec{F}_{q\\to q_0}(\\vec{r}) = q_0 \\vec{E}_q(\\vec{r}) <\/span>\n<p><a name=\"2\"><\/a><\/p>\n<h2>\u96fb\u5834\u3068\u96fb\u8377\u5206\u5e03<\/h2>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=565s\" target=\"_blank\" rel=\"noopener\"><strong>\u96fb\u5834\u306f\u529b\u306b\u57fa\u3065\u3044\u3066\u7814\u7a76\u3055\u308c<\/strong><\/a>\u3001\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3092\u6e80\u305f\u3059\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u96fb\u8377\u5206\u5e03\u306e\u96fb\u5834\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<h3>\u96e2\u6563\u5206\u5e03<\/h3>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=587s\" target=\"_blank\" rel=\"noopener\"><strong><span class=\"katex-eq\" data-katex-display=\"false\">n<\/span> \u500b\u306e\u96e2\u6563\u7684\u306a\u96fb\u8377\u5206\u5e03\u3092\u8003\u3048\u308b\u3002<\/strong><\/a> <span class=\"katex-eq\" data-katex-display=\"false\">q_1, q_2, \\cdots, q_n<\/span> \u306f\u4f4d\u7f6e <span class=\"katex-eq\" data-katex-display=\"false\">\\vec{r}^\\prime_1, \\vec{r}^\\prime_2, \\cdots, \\vec{r}^\\prime_n<\/span> \u306b\u5b58\u5728\u3059\u308b\u3068\u3059\u308b\u3002\u3042\u308b\u70b9 <span class=\"katex-eq\" data-katex-display=\"false\">\\vec{r}<\/span> \u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle\\vec{E}_q(\\vec{r}) = \\frac{1}{4\\pi\\epsilon_0} \\sum_{i=1}^n q_i \\frac{\\vec{r} -\\vec{r}_i^\\prime}{\\|\\vec{r} -\\vec{r}_i^\\prime\\|^3} <\/span>\n<p>\u3059\u306a\u308f\u3061\u3001\u3059\u3079\u3066\u306e\u500b\u3005\u306e\u96fb\u5834\u306e\u7dcf\u548c\u3067\u3042\u308b\u3002<\/p>\n<h3>\u9023\u7d9a\u5206\u5e03<\/h3>\n<p>\u9023\u7d9a\u7684\u306a\u96fb\u8377\u5206\u5e03\u306b\u306f3\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306f\u7a7a\u9593\u7684\u914d\u7f6e\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u6570\u306b\u95a2\u9023\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306f\u7dda\u72b6\u5206\u5e03\u3001\u8868\u9762\u5206\u5e03\u3001\u4f53\u7a4d\u5206\u5e03\u3067\u3042\u308b\u3002<\/p>\n<h4>\u7dda\u72b6\u5206\u5e03<\/h4>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=688s\" target=\"_blank\" rel=\"noopener\"><strong>\u7dda\u72b6\u96fb\u8377\u5206\u5e03\u3067\u306f\u3001<\/strong><\/a> \u5e2f\u96fb\u4f53\u306e\u5404\u7dda\u8981\u7d20\u306f\u7dda\u96fb\u8377\u5bc6\u5ea6 <span class=\"katex-eq\" data-katex-display=\"false\">\\lambda(\\vec{r}^\\prime)=dq(\\vec{r}^\\prime)\/dl<\/span> \u3092\u6301\u3061\u3001\u305d\u306e\u7d50\u679c\u96fb\u5834\u306e\u5fae\u5c0f\u8981\u7d20\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">d\\vec{E}(\\vec{r}) =\\displaystyle \\frac{dq(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3} = \\frac{\\lambda(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dl<\/span>\n<p>\u3053\u306e\u5f0f\u3092\u7a4d\u5206\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\vec{E}(\\vec{r}) = \\frac{1}{4\\pi\\epsilon_0} \\int_{\\mathcal{C}} \\lambda(\\vec{r}^\\prime) \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dl<\/span>\n<p>\u3053\u3053\u3067 <span class=\"katex-eq\" data-katex-display=\"false\">\\mathcal{C}<\/span> \u306f\u5e2f\u96fb\u4f53\u306e\u5f62\u72b6\u3092\u8a18\u8ff0\u3059\u308b\u66f2\u7dda\u306e\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u8868\u73fe\u3067\u3042\u308b\u3002<\/p>\n<h4>\u8868\u9762\u5206\u5e03<\/h4>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=899s\" target=\"_blank\" rel=\"noopener\"><strong>\u8868\u9762\u96fb\u8377\u5206\u5e03\u3067\u306f<\/strong><\/a>\u3001\u5e2f\u96fb\u4f53\u306e\u5404\u8868\u9762\u8981\u7d20\u306f\u8868\u9762\u96fb\u8377\u5bc6\u5ea6 <span class=\"katex-eq\" data-katex-display=\"false\">\\sigma(\\vec{r}^\\prime)=dq(\\vec{r}^\\prime)\/dS<\/span> \u3092\u6301\u3061\u3001\u305d\u306e\u7d50\u679c\u96fb\u5834\u306e\u5fae\u5c0f\u8981\u7d20\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle d\\vec{E}(\\vec{r}) = \\frac{dq(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3} = \\frac{\\sigma(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dS<\/span>\n<p>\u3053\u306e\u5f0f\u3092\u7a4d\u5206\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\vec{E}(\\vec{r}) = \\frac{1}{4\\pi\\epsilon_0} \\iint_{\\mathcal{A}} \\sigma(\\vec{r}^\\prime) \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dS<\/span>\n<p>\u3053\u3053\u3067 <span class=\"katex-eq\" data-katex-display=\"false\">\\mathcal{A}<\/span> \u306f\u5e2f\u96fb\u4f53\u306e\u5f62\u72b6\u3092\u8a18\u8ff0\u3059\u308b\u8868\u9762\u306e\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u8868\u73fe\u3067\u3042\u308b\u3002<\/p>\n<h4>\u4f53\u7a4d\u5206\u5e03<\/h4>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=KWwRfJ9ZRrA&amp;t=1054s\" target=\"_blank\" rel=\"noopener\"><strong>\u4f53\u7a4d\u96fb\u8377\u5206\u5e03\u3067\u306f<\/strong><\/a>\u3001\u5e2f\u96fb\u4f53\u306e\u5404\u4f53\u7a4d\u8981\u7d20\u306f\u4f53\u7a4d\u96fb\u8377\u5bc6\u5ea6 <span class=\"katex-eq\" data-katex-display=\"false\">\\rho(\\vec{r}_i^\\prime)=dq(\\vec{r}_i^\\prime)\/dV<\/span> \u3092\u6301\u3061\u3001\u305d\u306e\u7d50\u679c\u96fb\u5834\u306e\u5fae\u5c0f\u8981\u7d20\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle d\\vec{E}(\\vec{r}^\\prime) = \\frac{dq(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3} = \\frac{\\rho(\\vec{r}^\\prime)}{4\\pi\\epsilon_0} \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dV<\/span>\n<p>\u3053\u306e\u5f0f\u3092\u7a4d\u5206\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\vec{E}(\\vec{r}) = \\frac{1}{4\\pi\\epsilon_0} \\iiint_{\\mathcal{V}} \\rho(\\vec{r}^\\prime) \\frac{\\vec{r} - \\vec{r}^\\prime}{\\|\\vec{r} - \\vec{r}^\\prime\\|^3}dV<\/span>\n<p>\u3053\u3053\u3067 <span class=\"katex-eq\" data-katex-display=\"false\">\\mathcal{V}<\/span> \u306f\u5e2f\u96fb\u4f53\u306e\u5f62\u72b6\u3092\u8a18\u8ff0\u3059\u308b\u4f53\u7a4d\u306e\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u8868\u73fe\u3067\u3042\u308b\u3002<\/p>\n<p><a name=\"3\"><\/a><\/p>\n<h2>\u6f14\u7fd2\u554f\u984c:<\/h2>\n<h3>\u5e2f\u96fb\u68d2<\/h3>\n<p>\u9577\u3055 <span class=\"katex-eq\" data-katex-display=\"false\">L<\/span> \u306e\u68d2\u304c\u5168\u4f53\u306b\u308f\u305f\u308a\u4e00\u69d8\u306b\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">Q<\/span> \u3092\u5e2f\u3073\u3001\u5782\u76f4\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3068\u3059\u308b\u3002\u68d2\u306e\u4e2d\u5fc3\u304b\u3089\u6c34\u5e73\u65b9\u5411\u306b\u8ddd\u96e2 <span class=\"katex-eq\" data-katex-display=\"false\">x<\/span> \u96e2\u308c\u305f\u70b9\u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u6c42\u3081\u3088\u3002<\/p>\n<p><center><iframe class=\"lazyload\" width=\"560\" height=\"315\" data-src=\"https:\/\/www.youtube.com\/embed\/PEi3xjHDyxM\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/center><\/p>\n<h3>\u5e2f\u96fb\u74b0<\/h3>\n<p>\u534a\u5f84 <span class=\"katex-eq\" data-katex-display=\"false\">R<\/span> \u306e\u74b0\u304c\u4e00\u69d8\u306b\u96fb\u8377 <span class=\"katex-eq\" data-katex-display=\"false\">Q<\/span> \u3092\u5e2f\u3073\u3001xy \u5e73\u9762\u4e0a\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3068\u3059\u308b\u3002\u74b0\u306e\u4e2d\u5fc3\u304b\u3089\u9ad8\u3055 <span class=\"katex-eq\" data-katex-display=\"false\">z<\/span> \u306e\u70b9\u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u6c42\u3081\u3088\u3002<\/p>\n<p><center><iframe class=\"lazyload\" width=\"560\" height=\"315\" data-src=\"https:\/\/www.youtube.com\/embed\/kPVAhlzvgKA\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/center><\/p>\n<h3>\u7121\u9650\u5e73\u9762\u306e\u5e2f\u96fb<\/h3>\n<p>\u7121\u9650\u306b\u5e83\u304c\u308b\u5e73\u9762\u304c\u4e00\u69d8\u306b\u8868\u9762\u96fb\u8377\u5bc6\u5ea6 <span class=\"katex-eq\" data-katex-display=\"false\">\\sigma<\/span> \u3092\u6301\u3064\u3068\u3059\u308b\u3002\u5e73\u9762\u304b\u3089\u8ddd\u96e2 <span class=\"katex-eq\" data-katex-display=\"false\">L<\/span> \u306e\u70b9\u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u6c42\u3081\u3088\u3002<\/p>\n<p><center><iframe class=\"lazyload\" width=\"560\" height=\"315\" data-src=\"https:\/\/www.youtube.com\/embed\/IQeDWxVT7eM\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u96fb\u5834\u306e\u6982\u5ff5 19\u4e16\u7d00\u3001\u96fb\u6c17\u5206\u91ce\u306b\u304a\u3051\u308b\u6700\u3082\u5049\u5927\u306a\u5b9f\u9a13\u5bb6\u306e\u4e00\u4eba\u3067\u3042\u308b\u30de\u30a4\u30b1\u30eb\u30fb\u30d5\u30a1\u30e9\u30c7\u30fc\u306f\u3001\u72ec\u7279\u306a\u65b9\u6cd5\u3067\u7814\u7a76\u3092\u884c\u3063\u3066\u3044\u305f\u3002\u5f7c\u306e\u5b9f\u9a13\u5ba4\u306f\u7cf8\u3001\u5e2f\u96fb\u3057\u305f\u7403\u4f53\u3001\u305d\u3057\u3066\u5c0e\u96fb\u6027\u6db2\u4f53\u3092\u5165\u308c\u305f\u5c0f\u3055\u306a\u5bb9\u5668\u3067\u6e80\u305f\u3055\u308c\u3066\u3044\u305f\u3002\u3042\u308b\u6709\u540d\u306a\u9038\u8a71\u306b\u3088\u308c\u3070\u3001\u96fb\u8377\u3092\u53d6\u308a\u5dfb\u304f\u300c\u529b\u306e\u7dda\u300d\u3092\u8996\u899a\u5316\u3057\u3088\u3046\u3068\u3059\u308b\u5f7c\u306e\u57f7\u5ff5\u304b\u3089\u3001\u9244\u7c89\u3092\u5b9f\u9a13\u5ba4\u4e2d\u306b\u307e\u304d\u6563\u3089\u3057\u3001\u5e8a\u4e00\u9762\u306b\u73fe\u4ee3\u7f8e\u8853\u306e\u3088\u3046\u306a\u6a21\u69d8\u3092\u6b8b\u3057\u305f\u3068\u3044\u3046\u3002\u56f0\u60d1\u3057\u305f\u540c\u50da\u305f\u3061\u306f\u5f7c\u304c\u6b63\u6c17\u3092\u5931\u3063\u305f\u3068\u601d\u3063\u305f\u304c\u3001\u30d5\u30a1\u30e9\u30c7\u30fc\u306f\u5b9f\u969b\u306b\u306f\u6700\u3082\u9769\u65b0\u7684\u306a\u6982\u5ff5\u306e\u4e00\u3064\u3067\u3042\u308b\u300c\u96fb\u5834\u300d\u3092\u63cf\u304d\u51fa\u3057\u3066\u3044\u305f\u306e\u3067\u3042\u308b\u3002\u672c\u7a3f\u3067\u306f\u3001\u3053\u306e\u5929\u624d\u7684\u306a\u5b9f\u9a13\u304b\u3089\u751f\u307e\u308c\u305f\u601d\u60f3\u304c\u3001\u96fb\u6c17\u3092\u652f\u914d\u3059\u308b\u76ee\u306b\u898b\u3048\u306a\u3044\u76f8\u4e92\u4f5c\u7528\u3092\u3069\u306e\u3088\u3046\u306b\u53ef\u8996\u5316\u3057\u3001\u7406\u89e3\u3059\u308b\u624b\u52a9\u3051\u3068\u306a\u308b\u306e\u304b\u3092\u63a2\u7a76\u3059\u308b\u3002\u76ee\u306b\u898b\u3048\u306a\u3044\u3082\u306e\u3092\u3069\u3046\u3084\u3063\u3066\u300c\u898b\u308b\u300d\u306e\u304b\u3092\u7591\u554f\u306b\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u306a\u3089\u3070\u3001\u672c\u7a3f\u306f\u307e\u3055\u306b\u305d\u306e\u305f\u3081\u306e\u6848\u5185\u3067\u3042\u308b\u3002 \u5b66\u7fd2\u76ee\u6a19: \u672c\u8b1b\u7fa9\u7d42\u4e86\u5f8c\u3001\u5b66\u751f\u306f\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002 \u7406\u89e3\u3059\u308b: \u96fb\u5834\u306e\u6982\u5ff5\u3068\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306b\u3088\u308b\u96fb\u6c17\u529b\u3068\u306e\u95a2\u4fc2\u3002 \u9069\u7528\u3059\u308b: \u96fb\u5834\u306e\u5b9a\u7fa9\u3092\u7528\u3044\u3066\u70b9\u96fb\u8377\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u304f\u3002 \u5206\u6790\u3059\u308b: \u96fb\u5834\u8a08\u7b97\u306b\u304a\u3051\u308b\u96e2\u6563\u7684\u304a\u3088\u3073\u9023\u7d9a\u7684\u96fb\u8377\u5206\u5e03\u306b\u5bfe\u3059\u308b\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3002 \u8a55\u4fa1\u3059\u308b: \u7dda\u72b6\u3001\u8868\u9762\u3001\u4f53\u7a4d\u5206\u5e03\u3092\u7a4d\u5206\u3057\u3066\u8907\u96d1\u306a\u914d\u7f6e\u306b\u304a\u3051\u308b\u96fb\u5834\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5\u3002 \u89e3\u6c7a\u3059\u308b: \u5e2f\u96fb\u68d2\u3001\u5e2f\u96fb\u74b0\u3001\u7121\u9650\u5e73\u9762\u306a\u3069\u306e\u69cb\u6210\u306b\u95a2\u3059\u308b\u5b9f\u8df5\u7684\u306a\u6f14\u7fd2\u554f\u984c\u3002 \u76ee\u6b21: \u96fb\u5834\u3068\u306f\u4f55\u304b\uff1f \u96fb\u5834\u3068\u96fb\u8377\u5206\u5e03 \u6f14\u7fd2\u554f\u984c \u96fb\u5834\u3068\u306f\u4f55\u304b\uff1f \u96fb\u8377\u6e90\u3092\u914d\u7f6e\u3057\u305f\u3068\u304d\u3001\u305d\u306e\u5b58\u5728\u306f\u8a66\u9a13\u96fb\u8377\u304c\u611f\u3058\u308b\u96fb\u6c17\u529b\u3092\u901a\u3058\u3066\u78ba\u8a8d\u3067\u304d\u308b\u3002\u3053\u306e\u529b\u306f\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306b\u3088\u3063\u3066\u7814\u7a76\u3055\u308c\u308b\u3002\u3053\u306e\u89b3\u70b9\u304b\u3089\u3001\u96fb\u8377\u6e90\u306f\u7a7a\u9593\u3092\u300c\u6e80\u305f\u3057\u300d\u3001\u96fb\u6c17\u529b\u3092\u751f\u3058\u3055\u305b\u308b\u6027\u8cea\u3067\u3042\u308b\u96fb\u5834\u3092\u5f62\u6210\u3059\u308b\u3068\u8003\u3048\u308b\u3002 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