{"id":9892,"date":"2022-09-23T22:03:38","date_gmt":"2022-09-23T13:03:38","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=9892"},"modified":"2022-10-02T05:22:41","modified_gmt":"2022-10-01T20:22:41","slug":"electric-field","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/electric-field.html","title":{"rendered":"\u96fb\u5834\uff1a\u4e00\u69d8\u306a\u96fb\u5834\u30fb\u70b9\u96fb\u5834\u306e\u516c\u5f0f\u3001\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u3068\u30d9\u30af\u30c8\u30eb"},"content":{"rendered":"\n<p>\u4f55\u3082\u89e6\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u7269\u4f53\u306b\u529b\u304c\u52a0\u308f\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u4f8b\u5916\u7684\u306b\u3001\u5834\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u7269\u4f53\u306b\u89e6\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u529b\u304c\u52a0\u308f\u308a\u307e\u3059\u3002\u91cd\u529b\u304c\u826f\u3044\u4f8b\u3067\u3042\u308a\u3001\u7a7a\u4e2d\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u7269\u4f53\uff08\u4f55\u3082\u89e6\u308c\u3066\u3044\u306a\u3044\u7269\u4f53\uff09\u3092\u542b\u3081\u3066\u3001\u3059\u3079\u3066\u306e\u7269\u4f53\u306b\u306f\u91cd\u529b\u304c\u52a0\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u5834\u3068\u3057\u3066\u3001\u91cd\u529b\u4ee5\u5916\u306b\u3082\u96fb\u5834\uff08\u96fb\u754c\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u5834\u304c\u3042\u308b\u5834\u5408\u3001\u96fb\u8377\u3092\u3082\u3064\u7269\u8cea\u306b\u529b\u304c\u52a0\u3048\u3089\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u7269\u8cea\u306f\u52d5\u304f\u306e\u3067\u3059\u3002<\/p>\n<p>\u96fb\u5834\u306b\u306f\u3001\u4e00\u69d8\u306a\u96fb\u5834\u3068\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u96fb\u5834\u3067\u5229\u7528\u3059\u308b\u516c\u5f0f\u3092\u899a\u3048\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u307e\u305f\u8907\u6570\u306e\u96fb\u5834\u304c\u5b58\u5728\u3059\u308b\u3068\u304d\u3001\u3069\u306e\u3088\u3046\u306b\u529b\u304c\u52a0\u308f\u308b\u306e\u304b\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u96fb\u5834\u3092\u5229\u7528\u3057\u3066\u529b\u306e\u5927\u304d\u3055\u3084\u5411\u304d\u3092\u77e5\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u96fb\u78c1\u6c17\u3067\u91cd\u8981\u306a\u96fb\u5834\u306e\u6982\u5ff5\u3084\u516c\u5f0f\u3001\u529b\u306e\u8a08\u7b97\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u5834\u306e\u5927\u304d\u3055\u3068\u5411\u304d\u306e\u5b9a\u7fa9<\/h2>\n<p>\u307e\u305a\u3001\u96fb\u5834\u3068\u306f\u4f55\u304b\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u5834\u304c\u306a\u3044\u5834\u5408\u3001\u307b\u304b\u306e\u7269\u4f53\u306b\u89e6\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u529b\u306f\u50cd\u304d\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u5b87\u5b99\u7a7a\u9593\u3067\u306f\u3001\u91cd\u529b\u3068\u3044\u3046\u5834\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u79c1\u305f\u3061\u306f\u5b99\u306b\u6d6e\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u5834\u306e\u5f37\u3055\uff08\u5927\u304d\u3055\uff09\u3082\u91cd\u8981\u3067\u3059\u3002\u6708\u3067\u3042\u308c\u3070\u3001\u91cd\u529b\u306f\u5730\u7403\u306e6\u5206\u306e1\u3067\u3059\u3002\u5834\u304c\u5f37\u3044\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u5f31\u3044\u306e\u304b\u306b\u3088\u3063\u3066\u7269\u4f53\u306b\u52a0\u308f\u308b\u529b\u306e\u5927\u304d\u3055\u304c\u7570\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u5834\u306e\u4e00\u7a2e\u304c<span style=\"color: #ff0000;\">\u96fb\u5834\uff08\u96fb\u754c\uff09<\/span>\u3067\u3059\u3002\u96fb\u8377\u3092\u3082\u3064\u7269\u8cea\u3067\u3042\u308c\u3070\u3001\u96fb\u5834\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u307b\u304b\u306e\u7269\u8cea\u306b\u89e6\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u529b\u3092\u3082\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u96fb\u8377\u3092\u3082\u3064\u7269\u8cea\u306f\u96fb\u5834\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u52d5\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u529b\u306e\u5927\u304d\u3055\u306f\u96fb\u5834\u306e\u5f37\u3055\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u5834\u5408\u3001\u96fb\u5834\u306f\u8a18\u53f7\\(E\\)\u3092\u7528\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u96fb\u5834\u306e\u5358\u4f4d\u306fN\/C\u3067\u3059\u3002\u96fb\u6c17\u7684\u306a\u5927\u304d\u3055\u3092\u5229\u7528\u3057\u3066\u529b\u306e\u5f37\u3055\u3092\u8868\u3059\u305f\u3081\u3001\u529b\u306e\u5927\u304d\u3055N\uff08\u30cb\u30e5\u30fc\u30c8\u30f3\uff09\u3068\u96fb\u6c17\u91cfC\uff08\u30af\u30fc\u30ed\u30f3\uff09\u3092\u5229\u7528\u3057\u3066\u96fb\u5834\u3092\u8868\u3059\u306e\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u5927\u304d\u3055\\(E\\)[N\/C]\u306e\u96fb\u5834\u304c\u53f3\u5411\u304d\u3067\u5b58\u5728\u3059\u308b\u5834\u9762\u3092\u8003\u3048\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u96fb\u5834\u306b3C\u306e\u70b9\u96fb\u8377\u3068-2C\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306a\u5927\u304d\u3055\u3068\u5411\u304d\u3067\u529b\u304c\u52a0\u308f\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>3C\u306e\u70b9\u96fb\u8377\uff1a\u53f3\u5411\u304d\u306b\\(3E\\)[N]\u306e\u529b\u304c\u52a0\u308f\u308b\u3002<\/li>\n<li>-2C\u306e\u70b9\u96fb\u8377\uff1a\u5de6\u5411\u304d\u306b\\(2E\\)[N]\u306e\u529b\uff08\u53f3\u5411\u304d\u306b\\(-2E\\)[N]\u306e\u529b\uff09\u304c\u52a0\u308f\u308b\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje1.jpg\" alt=\"\" width=\"417\" height=\"236\" class=\"aligncenter size-full wp-image-9901\" \/><\/p>\n<p>\u6b63\u306e\u96fb\u8377\u3092\u3082\u3064\u7269\u8cea\u3067\u306f\u3001\u96fb\u5834\u3068\u540c\u3058\u5411\u304d\u306b\u529b\u304c\u52a0\u308f\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u8ca0\u306e\u96fb\u8377\u3092\u3082\u3064\u7269\u8cea\u3067\u306f\u3001\u96fb\u5834\u3068\u53cd\u5bfe\u5411\u304d\u306b\u529b\u304c\u52a0\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u529b\u306e\u5927\u304d\u3055\\(F\\)\u306f\u96fb\u5834\\(E\\)\u3068\u96fb\u6c17\u91cf\\(q\\)\u3092\u5229\u7528\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(F=qE\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u516c\u5f0f\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u305f\u3081\u3001\u5fc5\u305a\u899a\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u70b9\u96fb\u8377\u304c1C\u306e\u5834\u5408\u3001\\(F=qE\\)\u306b\\(q=1\\)\u3092\u4ee3\u5165\u3059\u308b\u3068\u3001\\(F=E\\)\u3068\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a<span style=\"color: #0000ff;\">\u96fb\u5834\u3068\u3044\u3046\u306e\u306f\u30011C\u306e\u70b9\u96fb\u8377\u306b\u5bfe\u3057\u3066\u4e0e\u3048\u308b\u529b\u306e\u5927\u304d\u3055\u3068\u5411\u304d\u3092\u8868\u3057\u307e\u3059\u3002<\/span>\u3053\u308c\u304c\u96fb\u5834\u306e\u5b9a\u7fa9\u3067\u3059\u3002<\/p>\n<h3>\u4e00\u69d8\u306a\u96fb\u5834\u3068\u529b\u306e\u5927\u304d\u3055\u306e\u516c\u5f0f<\/h3>\n<p>\u306a\u304a\u96fb\u5834\u306b\u306f\u5927\u304d\u304f2\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002\u4e00\u3064\u304c\u4e00\u69d8\u306a\u96fb\u5834\u3067\u3042\u308a\u3001\u3082\u3046\u4e00\u3064\u304c\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u3059\u3002\u307e\u305a\u3001\u4e00\u69d8\u306a\u96fb\u5834\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4e00\u69d8\u306a\u96fb\u5834\u3067\u306f\u3001\u3069\u306e\u5834\u6240\u3067\u3042\u3063\u3066\u3082\u96fb\u5834\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u5927\u304d\u3055\u304c\u540c\u3058\u91d1\u5c5e\u677f\u3092\u5e73\u884c\u306b\u7f6e\u304d\u3001\u4e00\u65b9\u3092\u6b63\u306b\u5e2f\u96fb\u3055\u305b\u3001\u3082\u3046\u4e00\u65b9\u3092\u8ca0\u306b\u5e2f\u96fb\u3055\u305b\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u96fb\u5834\u306e\u5411\u304d\u306f\u30d7\u30e9\u30b9\u304b\u3089\u30de\u30a4\u30ca\u30b9\u306e\u65b9\u5411\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje2.jpg\" alt=\"\" width=\"451\" height=\"268\" class=\"aligncenter size-full wp-image-9902\" \/><\/p>\n<p>\u4e00\u69d8\u306a\u96fb\u5834\u3067\u306f\u3001\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u3053\u3068\u306b\u3088\u3063\u3066\u529b\u306e\u5927\u304d\u3055\u306f\\(F=qE\\)\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u516c\u5f0f\u306f\u5148\u307b\u3069\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u306a\u304a\u3001\u5148\u307b\u3069\u306e\u516c\u5f0f\u3092\u5909\u5f62\u3057\u3066\\(E=\\displaystyle\\frac{F}{q}\\)\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u529b\u306e\u5927\u304d\u3055\\(F\\)\u3068\u96fb\u6c17\u91cf\\(q\\)\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u96fb\u5834\\(E\\)\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3>\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u6982\u5ff5<\/h3>\n<p>\u305d\u308c\u3067\u306f\u68d2\u72b6\u306e\u91d1\u5c5e\u677f\u3092\u5229\u7528\u3057\u3066\u5747\u4e00\u306a\u96fb\u5834\u3092\u767a\u751f\u3055\u305b\u308b\u306e\u3067\u306f\u306a\u304f\u30012\u3064\u306e\u70b9\u96fb\u8377\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u96fb\u5834\u3092\u767a\u751f\u3055\u305b\u308b\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4e00\u3064\u306e\u70b9\u304b\u3089\u6e29\u6cc9\u304c\u6e67\u304d\u51fa\u3066\u304a\u308a\u3001\u5c11\u3057\u96e2\u308c\u305f\u5834\u6240\u306b\u6392\u6c34\u6e9d\u304c\u3042\u308b\u5834\u9762\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e00\u3064\u306e\u70b9\u304b\u3089\u6e29\u6cc9\u304c\u6e67\u304d\u51fa\u308b\u3068\u304d\u3001\u653e\u5c04\u72b6\u306b\u6c34\u304c\u5916\u306b\u51fa\u307e\u3059\u3002\u305d\u306e\u3046\u3061\u3001\u6392\u6c34\u6e9d\u306b\u5411\u304b\u3063\u3066\u98db\u3073\u51fa\u305f\u6c34\u306b\u3064\u3044\u3066\u306f\u3001\u6392\u6c34\u6e9d\u3078\u5438\u3044\u8fbc\u307e\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9032\u307f\u65b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje3.jpg\" alt=\"\" width=\"487\" height=\"242\" class=\"aligncenter size-full wp-image-9903\" \/><\/p>\n<p>\u70b9\u96fb\u8377\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306b\u3064\u3044\u3066\u3082\u3001\u3053\u308c\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u9032\u307f\u65b9\u3068\u306a\u308a\u307e\u3059\u3002\u6b63\u306e\u96fb\u8377\u3092\u3082\u3064\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u5834\u5408\u3001\u70b9\u96fb\u8377\u304b\u3089\u653e\u5c04\u72b6\u306b\u96fb\u5834\u304c\u767a\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u6b63\u306e\u96fb\u8377\u3092\u3082\u3064\u70b9\u96fb\u8377\u304b\u3089\u5c11\u3057\u96e2\u308c\u305f\u5834\u6240\u306b\u8ca0\u306e\u96fb\u8377\u3092\u3082\u3064\u70b9\u96fb\u8377\u3092\u7f6e\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001<span style=\"color: #0000ff;\">\u6b63\u306e\u70b9\u96fb\u8377\u304b\u3089\u767a\u305b\u3089\u308c\u305f\u96fb\u5834\u306f\u3001\u8ca0\u306e\u70b9\u96fb\u8377\u3078\u9032\u307f\u3001\u5438\u3044\u8fbc\u307e\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje4.jpg\" alt=\"\" width=\"487\" height=\"242\" class=\"aligncenter size-full wp-image-9904\" \/><\/p>\n<p>\u96fb\u5834\uff08\u96fb\u754c\uff09\u306f\u76ee\u3067\u898b\u3048\u306a\u3044\u306e\u3067\u60f3\u50cf\u3057\u306b\u304f\u3044\u3067\u3059\u3002\u305d\u3053\u3067\u6c34\u304c\u4e00\u3064\u306e\u70b9\u304b\u3089\u52e2\u3044\u3088\u304f\u3042\u3075\u308c\u51fa\u3066\u3044\u308b\u5834\u9762\u3092\u60f3\u50cf\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u70b9\u96fb\u8377\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u767a\u751f\u3059\u308b\u96fb\u5834\u3092\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u6c34\u306e\u9032\u307f\u65b9\u3082\u96fb\u5834\u306e\u9032\u307f\u65b9\u3082\u540c\u3058\u306a\u306e\u3067\u3059\u3002<\/p>\n<h4>\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\u3068\u516c\u5f0f<\/h4>\n<p>\u4e00\u69d8\u306a\u96fb\u5834\u3067\u306f\u3001\u5834\u6240\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5f37\u3055\u306b\u9055\u3044\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3069\u306e\u5834\u6240\u306b\u70b9\u96fb\u8377\u3092\u7f6e\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u96fb\u5834\u306e\u5f37\u3055\u306f\u4e00\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067<span style=\"color: #0000ff;\">\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3068\u3044\u3046\u306e\u306f\u3001\u5834\u6240\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5f37\u3055\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/span>\u96fb\u5834\u3092\u4f5c\u3063\u3066\u3044\u308b\u70b9\u96fb\u8377\u304b\u3089\u96e2\u308c\u308b\u3068\u3001\u5f53\u7136\u306a\u304c\u3089\u5f71\u97ff\u529b\u306f\u5f31\u304f\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u70b9\u96fb\u8377\u304b\u3089\u96e2\u308c\u308b\u307b\u3069\u96fb\u5834\u306e\u5927\u304d\u3055\u306f\u5f31\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5f37\u3055\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3088\u308a\u3001\u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\u306e\u5927\u304d\u3055\\(F\\)\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u306b\u3088\u3063\u3066\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(F=k\\displaystyle\\frac{q_1q_2}{r^2}\\)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/fewl9.jpg\" alt=\"\" width=\"551\" height=\"134\" class=\"aligncenter size-full wp-image-9859\" \/><\/p>\n<p>\u307e\u305f\u96fb\u5834\u306e\u5b9a\u7fa9\u3088\u308a\u30011C\u306e\u70b9\u96fb\u8377\u306b\u5bfe\u3057\u3066\u52a0\u308f\u308b\u529b\u3092\u8868\u3059\u306e\u304c\u96fb\u5834\u3067\u3059\u3002\u305d\u3053\u3067\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u96fb\u5834\u3092\u4f5c\u3063\u3066\u3044\u308b\u70b9\u96fb\u8377\u306e\u96fb\u6c17\u91cf\u3092\\(Q\\)[C]\u3001\u305d\u3053\u304b\u3089\\(r\\)[m]\u96e2\u308c\u305f\u5834\u6240\u306b1C\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u5834\u9762\u3092\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\\(q_1=Q\\)\u3068\\(q_2=1\\)\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u4ee5\u4e0b\u306e\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(F=k\\displaystyle\\frac{Q}{r^2}\\)<\/li>\n<\/ul>\n<p><span style=\"color: #0000ff;\">1C\u306e\u96fb\u8377\u304c\u53d7\u3051\u308b\u529b\\(F\\)\u304c\\(k\\displaystyle\\frac{Q}{r^2}\\)\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u5f0f\u306f\u96fb\u5834\\(E\\)\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/span>\u3064\u307e\u308a\u3001\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\u306f\u4ee5\u4e0b\u306e\u516c\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(E=k\\displaystyle\\frac{Q}{r^2}\\)<\/li>\n<\/ul>\n<p>\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u5f97\u308b\u516c\u5f0f\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3092\u5229\u7528\u3057\u3001\\(q_1=Q\\)\u3068\\(q_2=1\\)\u3092\u4ee3\u5165\u3059\u308c\u3070\u3001\u516c\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001<span style=\"color: #ff0000;\">\u529b\u306e\u5411\u304d\u306f\u70b9\u96fb\u8377\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/span>\u4f8b\u3048\u3070\\(+Q\\)[C]\u306e\u70b9\u96fb\u8377\u306b\u3088\u3063\u3066\u96fb\u5834\u304c\u4f5c\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u30011C\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u3068\u3001\u540c\u7b26\u53f7\u3067\u3042\u308b\u305f\u3081\u3001\u65a5\u529b\uff08\u53cd\u767a\u3059\u308b\u529b\uff09\u304c\u52a0\u308f\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\\(-Q\\)[C]\u306e\u70b9\u96fb\u8377\u306b\u3088\u3063\u3066\u96fb\u5834\u304c\u4f5c\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u30011C\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u3068\u3001\u5f15\u529b\u306b\u3088\u3063\u3066\u5f15\u304d\u5bc4\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje5.jpg\" alt=\"\" width=\"527\" height=\"282\" class=\"aligncenter size-full wp-image-9905\" \/><\/p>\n<p>\\(E=k\\displaystyle\\frac{Q}{r^2}\\)\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u304c\u308f\u304b\u3063\u3066\u3082\u3001\u529b\u306e\u5411\u304d\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u70b9\u96fb\u8377\u304c\u6b63\u306a\u306e\u304b\u8ca0\u306a\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u50cd\u304f\u529b\uff08\u65a5\u529b\u307e\u305f\u306f\u5f15\u529b\uff09\u3092\u78ba\u304b\u3081\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\\(F=qE\\)\u306f\u4e00\u69d8\u306a\u96fb\u5834\u3067\u3082\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u3082\u6210\u7acb\u3059\u308b<\/h3>\n<p>\u306a\u304a\u3001\u4e00\u69d8\u306a\u96fb\u5834\u3067\u3082\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u3082\\(F=qE\\)\u304c\u6210\u7acb\u3057\u307e\u3059\u3002\u4e00\u69d8\u306a\u96fb\u5834\u3067\u306f\u3001\u3069\u306e\u5834\u6240\u306b\u70b9\u96fb\u8377\u3092\u7f6e\u3044\u3066\u3082\u96fb\u5834\u306e\u5927\u304d\u3055\u304c\u540c\u3058\u3067\u3059\u3002\u4e00\u65b9\u3067\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u306f\u3001\u5834\u6240\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u304c\u5909\u5316\u3057\u307e\u3059\u3002\u305f\u3060\\(F=qE\\)\u306b\u3088\u3063\u3066\u3001\u529b\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3067\u304d\u308b\u306e\u306f\u5171\u901a\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u3042\u308c\u3070\u3001\\(E=k\\displaystyle\\frac{Q}{r^2}\\)\u3092\u5229\u7528\u3057\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u51fa\u3057\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\\(E\\)\u304c\u5b58\u5728\u3059\u308b\u3068\u304d\u3001\u96fb\u6c17\u91cf\\(q&#8217;\\)\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u5834\u5408\u3001\u52a0\u308f\u308b\u529b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(F=qE\\)<\/p>\n<p>\\(F=q&#8217;\u00d7k\\displaystyle\\frac{Q}{r^2}\\)<\/p>\n<p>\\(F=k\\displaystyle\\frac{Qq&#8217;}{r^2}\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u516c\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3092\u5229\u7528\u3057\u3066\u96fb\u5834\u306e\u516c\u5f0f\u3092\u51fa\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u96fb\u6c17\u91cf\\(q&#8217;\\)\u3092\u304b\u3051\u308b\u3053\u3068\u3067\u9759\u96fb\u6c17\u529b\uff08\u30af\u30fc\u30ed\u30f3\u529b\uff09\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u96fb\u5834\u306e\u5927\u304d\u3055\\(E\\)\u3068\u96fb\u6c17\u529b\\(q\\)\u306e\u304b\u3051\u7b97\u306b\u3088\u3063\u3066\u529b\\(F\\)\u3092\u5f97\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u9759\u96fb\u6c17\u529b\u306e\u5927\u304d\u3055\u3092\u5f97\u308b\u306e\u3068\u610f\u5473\u304c\u540c\u3058\u3067\u3059\u3002<\/p>\n<h2>\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u3068\u30d9\u30af\u30c8\u30eb<\/h2>\n<p>\u4e00\u3064\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304f\u3053\u3068\u306b\u3088\u308a\u3001\u96fb\u5834\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u305f\u3060\u96fb\u5834\u306e\u767a\u751f\u306b\u95a2\u308f\u308b\u70b9\u96fb\u8377\u304c\u4e00\u3064\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u5b58\u5728\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u8003\u3048\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u7269\u7406\u3067\u306f\u30d9\u30af\u30c8\u30eb\u3092\u3072\u3093\u3071\u3093\u306b\u5229\u7528\u3057\u307e\u3059\u3002\u96fb\u5834\u306b\u3064\u3044\u3066\u3082\u3001\u305d\u308c\u305e\u308c\u306e\u96fb\u5834\u3092\u8db3\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u306a\u304a<span style=\"color: #0000ff;\">\u96fb\u5834\u306b\u306f\u5411\u304d\u304c\u3042\u308b\u305f\u3081\u3001\u30d9\u30af\u30c8\u30eb\u3092\u8003\u616e\u3057\u3066\u8db3\u3057\u7b97\u3092\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u4f8b\u3048\u3070\u70b9A\u3068\u70b9B\u306b\u305d\u308c\u305e\u308c\u306e\u96fb\u6c17\u91cf\u304c\\(Q_A\\)\u3068\\(Q_B\\)\u306e\u70b9\u96fb\u8377\u3092\u7f6e\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u70b9P\u306b\u751f\u3058\u308b\u96fb\u5834\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje6.jpg\" alt=\"\" width=\"519\" height=\"275\" class=\"aligncenter size-full wp-image-9906\" \/><\/p>\n<p>\u70b9A\u306b\u3088\u308b\u96fb\u5834\\(\\overrightarrow{E_A}\\)\u3068\u70b9B\u306b\u3088\u308b\u96fb\u5834\\(\\overrightarrow{E_B}\\)\u3092\u8db3\u3059\u3053\u3068\u306b\u3088\u308a\u3001\u96fb\u5834\\(\\overrightarrow{E_P}\\)\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d9\u30af\u30c8\u30eb\u306e\u8db3\u3057\u7b97\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u5f97\u3089\u308c\u308b\u3053\u3068\u3092<span style=\"color: #ff0000;\">\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406<\/span>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<h3>2\u3064\u306e\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\u306b\u95a2\u3059\u308b\u7df4\u7fd2\u554f\u984c<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u554f\u984c\u306e\u7b54\u3048\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<ul>\n<li>\\(xy\\)\u5e73\u9762\u4e0a\u306e\u70b9A\\((-a,0)\\)\u306b\u96fb\u6c17\u91cf\\(q\\)\u3001\u70b9B\\((a,0)\\)\u306b\u96fb\u6c17\u91cf\\(-q\\)\u306e\u70b9\u96fb\u8377\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u306a\u304a\u3001\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u306e\u6bd4\u4f8b\u5b9a\u6570\u3092\\(k\\)\u3068\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje8.jpg\" alt=\"\" width=\"328\" height=\"208\" class=\"aligncenter size-full wp-image-9909\" \/><\/p>\n<ol>\n<li>\u70b9P\\((0,a)\\)\u306b\u4f5c\u3089\u308c\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\\(E_P\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u70b9B\\((a,0)\\)\u306e\u96fb\u6c17\u91cf\u3092\\(4q\\)\u306b\u5909\u3048\u308b\u5834\u5408\u3001\u96fb\u5834\u304c0\u306b\u306a\u308b\u70b9\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ol>\n<p><strong>1) \u70b9P\\((0,a)\\)\u306b\u4f5c\u3089\u308c\u308b\u96fb\u5834\u306e\u5927\u304d\u3055\\(E_P\\)\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u70b9P\u306b\u4f5c\u3089\u308c\u308b\u96fb\u5834\u306f\u70b9A\u3068\u70b9B\u306b\u3088\u308b\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u96fb\u6c17\u91cf\\(q\\)\u306e\u70b9\u96fb\u8377\u304c\u70b9A\u306b\u3042\u308b\u305f\u3081\u3001\u70b9A\u306b\u3088\u308b\u96fb\u5834\u306e\u5f37\u3055\\(E_A\\)\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(E_A=k\\displaystyle\\frac{q}{(\\sqrt{2}a)^2}=\\displaystyle\\frac{kq}{2a^2}\\)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje9.jpg\" alt=\"\" width=\"326\" height=\"210\" class=\"aligncenter size-full wp-image-9910\" \/><\/p>\n<p>\u306a\u304a\u70b9A\u306f\u6b63\u96fb\u8377\u3067\u3042\u308b\u305f\u3081\u3001\u65a5\u529b\u306b\u3088\u3063\u3066\u53cd\u767a\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u96fb\u6c17\u91cf\\(-q\\)\u306e\u70b9\u96fb\u8377\u304c\u70b9B\u306b\u3042\u308b\u3068\u304d\u3001\u70b9B\u306b\u3088\u308b\u96fb\u5834\u306e\u5f37\u3055\\(E_B\\)\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(E_B=k\\displaystyle\\frac{q}{(\\sqrt{2}a)^2}=\\displaystyle\\frac{kq}{2a^2}\\)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje12.jpg\" alt=\"\" width=\"326\" height=\"209\" class=\"aligncenter size-full wp-image-9912\" \/><\/p>\n<p>\u70b9B\u306f\u8ca0\u96fb\u8377\u3067\u3042\u308b\u305f\u3081\u3001\u5f15\u529b\u306b\u3088\u3063\u3066\u70b9B\u3078\u5f15\u304d\u5bc4\u305b\u308b\u529b\u304c\u50cd\u304d\u307e\u3059\u3002\u305d\u3053\u3067\u70b9A\u3068\u70b9B\u306b\u3088\u308b\u96fb\u5834\u3092\u8db3\u3059\u3068\u3001\u70b9P\u3067\u306e\u96fb\u5834\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje13.jpg\" alt=\"\" width=\"326\" height=\"210\" class=\"aligncenter size-full wp-image-9913\" \/><\/p>\n<p>\u56f3\u3088\u308a\u3001\u70b9P\u3067\u306e\u96fb\u5834\u306e\u5927\u304d\u3055\\(E_P\\)\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(E_P=\\displaystyle\\frac{\\sqrt{2}kq}{2a^2}\\)<\/p>\n<p>\u5024\u306e\u5927\u304d\u3055\u3068\u5411\u304d\uff08\u30d9\u30af\u30c8\u30eb\uff09\u3092\u8003\u616e\u3057\u3066\u3001\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><strong>2) \u70b9B\\((a,0)\\)\u306e\u96fb\u6c17\u91cf\u3092\\(4q\\)\u306b\u5909\u3048\u308b\u5834\u5408\u3001\u96fb\u5834\u304c0\u306b\u306a\u308b\u70b9\u3092\u6c42\u3081\u307e\u3057\u3087\u3046<\/strong><\/p>\n<p>\u70b9A\u306e\u70b9\u96fb\u8377\u306f\u5909\u308f\u3089\u305a\u3001\u70b9B\u306e\u70b9\u96fb\u8377\u304c\\(4q\\)\u306b\u306a\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u56f3\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje15.jpg\" alt=\"\" width=\"368\" height=\"225\" class=\"aligncenter size-full wp-image-9916\" \/><\/p>\n<p><span style=\"color: #0000ff;\">\u96fb\u5834\u306f\u30d9\u30af\u30c8\u30eb\u306e\u8db3\u3057\u7b97\u306b\u306a\u308b\u305f\u3081\u3001\u96fb\u5834\u304c0\u306b\u306a\u308b\u70b9\u306f\u5fc5\u305a\\(x\\)\u8ef8\u4e0a\u306b\u5b58\u5728\u3057\u307e\u3059\u3002<\/span>\\(x\\)\u8ef8\u4e0a\u3067\u306a\u3044\u5834\u5408\u3001\\(y\\)\u8ef8\u65b9\u5411\u306b\u96fb\u5834\u304c\u5fc5\u305a\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u96fb\u5834\u304c0\u3068\u306a\u308b\\(x\\)\u8ef8\u4e0a\u306e\u70b9\u3092\\((z,0)\\)\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u3068\u304d\u3001\u70b9A\u306b\u3088\u308b\u96fb\u5834\u3068\u70b9B\u306b\u3088\u308b\u96fb\u5834\u304c\u7b49\u3057\u3044\u5834\u5408\u3001\u96fb\u5834\u306f0\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(E_A=E_B\\)<\/p>\n<p>\\(k\\displaystyle\\frac{q}{(a+z)^2}=k\\displaystyle\\frac{4q}{(a-z)^2}\\)<\/p>\n<p>\\((a-z)^2=4(a+z)^2\\)<\/p>\n<p>\\(a^2-2az+z^2=4(a^2-2az+z^2)\\)<\/p>\n<p>\\(3a^2-6az+3z^2=0\\)<\/p>\n<p>\\((3a-z)(a-3z)=0\\)<\/p>\n<p>\\(z=\\displaystyle\\frac{a}{3},3a\\)<\/p>\n<p>\u306a\u304a\u96fb\u5834\u304c0\u306b\u306a\u308b\u305f\u3081\u306b\u306f\u3001\\(z\\)\u306e\u5024\u304c\\(-a&lt;z&lt;a\\)\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\uff08\\(-a\\)\u3068\\(a\\)\u306e\u9593\u306b\\(z\\)\u304c\u3042\u308b\uff09\u3002\\(z=3a\\)\u306e\u5834\u5408\u3001\u4e0b\u56f3\u306e\u3088\u3046\u306b\u3001\u30d9\u30af\u30c8\u30eb\uff08\u5411\u304d\uff09\u3092\u8003\u616e\u3059\u308b\u3068\u96fb\u5834\u306f0\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/09\/ifje18.jpg\" alt=\"\" width=\"460\" height=\"223\" class=\"aligncenter size-full wp-image-9934\" \/><\/p>\n<p>\u6570\u5b66\u3067\u3042\u308c\u3070\u3001\\(z=3a\\)\u3067\u3042\u3063\u3066\u3082\u7b54\u3048\u304c0\u306b\u306a\u308b\u306e\u3067\u6b63\u89e3\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u7269\u7406\u3067\u30d9\u30af\u30c8\u30eb\u3092\u8003\u616e\u3059\u308b\u5834\u5408\u3001\\(z=3a\\)\u306f\u7b54\u3048\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\\(z=\\displaystyle\\frac{a}{3}\\)\u3068\u306a\u308a\u3001\\(\\left(\\displaystyle\\frac{a}{3},0\\right)\\)\u304c\u6b63\u89e3\u3067\u3059\u3002<\/p>\n<h2>\u96fb\u5834\u306e\u5b9a\u7fa9\u3092\u5b66\u3073\u3001\u30d9\u30af\u30c8\u30eb\u3092\u8003\u616e\u3057\u3066\u8a08\u7b97\u3059\u308b<\/h2>\n<p>\u65e2\u306b\u9759\u96fb\u6c17\u3092\u5b66\u3093\u3067\u3044\u308b\u5834\u5408\u3001\u96fb\u5834\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u96fb\u5834\u306e\u5b9a\u7fa9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\\(F=qE\\)\u306e\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u30af\u30fc\u30ed\u30f3\u306e\u6cd5\u5247\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u306e\u516c\u5f0f\u3092\u5c0e\u51fa\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u96fb\u5834\u306b\u306f\u4e00\u69d8\u306a\u96fb\u5834\u3068\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u3092\u898b\u5206\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\\(F=qE\\)\u306b\u3088\u3063\u3066\u529b\u306e\u5927\u304d\u3055\u3092\u5f97\u3089\u308c\u308b\u306e\u306f\u5171\u901a\u3067\u3042\u308b\u3082\u306e\u306e\u3001\u96fb\u5834\u306e\u8a08\u7b97\u65b9\u6cd5\u304c\u7570\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3067\u306f\u3001\u8907\u6570\u306e\u70b9\u96fb\u8377\u306b\u3088\u308b\u5f71\u97ff\u3092\u8003\u616e\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u96fb\u8377\u306e\u5927\u304d\u3055\u3068\u5411\u304d\uff08\u30d9\u30af\u30c8\u30eb\uff09\u3092\u8003\u616e\u3057\u3066\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u96fb\u5834\u306e\u91cd\u306d\u5408\u308f\u305b\u306e\u539f\u7406\u3092\u5229\u7528\u3057\u3001\u30d9\u30af\u30c8\u30eb\u306e\u8db3\u3057\u7b97\u3092\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5927\u304d\u3055\u3092\u8a08\u7b97\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u96fb\u5834\u306b\u306f2\u3064\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u5229\u7528\u3059\u308b\u516c\u5f0f\u304c\u5c11\u3057\u7570\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3001\u516c\u5f0f\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u70b9\u96fb\u8377\u306b\u3088\u308b\u96fb\u5834\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3067\u3042\u3063\u3066\u3082\u3001\u30af\u30fc\u30ed\u30f3\u529b\u3092\u5f97\u308b\u516c\u5f0f\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u516c\u5f0f\u306e\u5c0e\u51fa\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u539f\u7406\u3084\u516c\u5f0f\u306e\u610f\u5473\u3092\u5b66\u3076\u3053\u3068\u3067\u96fb\u5834\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f55\u3082\u89e6\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u7269\u4f53\u306b\u529b\u304c\u52a0\u308f\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u4f8b\u5916\u7684\u306b\u3001\u5834\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u7269\u4f53\u306b\u89e6\u308c\u3066\u3044\u306a\u304f\u3066\u3082\u529b\u304c\u52a0\u308f\u308a\u307e\u3059\u3002\u91cd\u529b\u304c\u826f\u3044\u4f8b\u3067\u3042\u308a\u3001\u7a7a\u4e2d\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u7269\u4f53\uff08\u4f55\u3082\u89e6\u308c\u3066\u3044\u306a\u3044\u7269\u4f53\uff09\u3092\u542b\u3081\u3066\u3001\u3059\u3079\u3066\u306e\u7269\u4f53\u306b\u306f\u91cd 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