{"id":489,"date":"2004-06-03T09:24:31","date_gmt":"2004-06-03T14:24:31","guid":{"rendered":"https:\/\/new.qiusir.com\/2004\/06\/03\/%e6%a5%9e%e6%ac%a1%e5%ae%9a%e5%be%8b%e5%af%b9%e5%ad%a6%e4%b9%a0%e6%84%8f%e5%90%91%e9%a9%b1%e5%8a%a8%e7%9a%84%e5%90%af%e5%8f%91\/"},"modified":"2004-06-03T09:24:31","modified_gmt":"2004-06-03T14:24:31","slug":"%e6%a5%9e%e6%ac%a1%e5%ae%9a%e5%be%8b%e5%af%b9%e5%ad%a6%e4%b9%a0%e6%84%8f%e5%90%91%e9%a9%b1%e5%8a%a8%e7%9a%84%e5%90%af%e5%8f%91","status":"publish","type":"post","link":"https:\/\/www.qiusir.com\/?p=489","title":{"rendered":"\u695e\u6b21\u5b9a\u5f8b\u5bf9\u5b66\u4e60\u610f\u5411\u9a71\u52a8\u7684\u542f\u53d1"},"content":{"rendered":"<p>\u695e\u6b21\u5b9a\u5f8b[lenz&#8217;s law]<br \/>\n\u611f\u5e94\u7535\u6d41\u7684\u78c1\u573a\u603b\u8981<b>\u963b\u788d<\/b>\u5f15\u8d77\u611f\u5e94\u7535\u6d41\u78c1\u901a\u91cf\u7684\u53d8\u5316\u3002[The emf induced in an electric circuit always acts in such a direction that the current it drives around the circuit opposes the change in magnetic flux which produces the emf. ]<br \/>\n\u5b9a\u5f8b\u7684\u6838\u5fc3\u662f\u201c\u963b\u788d\u201d\uff0c\u5982\u679c\u548c\u521d\u4e2d\u7684\u5b66\u751f\u8bb2\uff0c\u6211\u5e38\u7528\u9752\u6625\u671f\u7684\u201c\u9006\u53cd\u201d\u6765\u7c7b\u6bd4\u3002<br \/>\n\u7269\u7406\u4e0a\uff1a\u78c1\u901a\u91cf\u201c+\u201d\u589e\u5927\uff0c\u611f\u5e94\u7535\u6d41\u4ea7\u751f\u7684\u78c1\u573a\u662f\u201c\u00b7\u201d\uff0c\u7528\u6765\u963b\u788d\u589e\u52a0<br \/>\n\u751f\u6d3b\u4e2d\uff1a\u6bd4\u5982\u5bb6\u957f\u603b\u5b88\u7740\u5b69\u5b50\u53e8\u5ff5\u201c\u597d\u597d\u5b66\u4e60\u554a\uff0c\u5bf9\u5f97\u8d77&#8230;\u201d\uff0c\u5b69\u5b50\u4ece\u5fc3\u5e95\u7684\u53cd\u611f\u662f\u201c\u6211\u504f\u4e0d\u5b66\u4e60\u201d\uff0c\u4e0e\u5bb6\u957f\u7684\u610f\u613f\u76f8\u8fdd\u6bd4\u3002<br \/>\n\u7269\u7406\u4e0a\uff1a\u78c1\u901a\u91cf\u201c+\u201d\u51cf\u5c0f\uff0c\u611f\u5e94\u7535\u6d41\u4ea7\u751f\u7684\u78c1\u573a\u662f\u201c+\u201d\uff0c\u7528\u6765\u963b\u788d\u51cf\u5c0f<br \/>\n\u751f\u6d3b\u4e2d\uff1a\u6bd4\u5982\u5b69\u5b50\u559c\u6b22\u8e22\u8db3\u7403\uff0c\u5bb6\u957f\u4f1a\u8bf4\u201c\u4f60\u4e0d\u662f\u8fd9\u5757\u6599\uff0c&#8230;\u201d\uff0c\u800c\u5b69\u5b50\u7684\u5185\u5fc3\u603b\u6709\u4e0d\u670d\u8f93\u7684\u52b2\uff0c\u201c\u8bf4\u6211\u4e0d\u884c\u6211\u504f\u8981\u8bc1\u660e\u7ed9\u4f60\u770b\u201d\u3002<\/p>\n<p>\u542f\u53d1\uff1a\u7269\u7406\u4e0a\u666e\u904d\u9002\u7528\u7684\u695e\u6b21\u5b9a\u5f8b\u5e94\u8be5\u5728\u4eba\u7684\u5fc3\u7406\u4e0a\u540c\u6837\u6709\u6240\u8fc1\u79fb\uff0c\u56e0\u8be5\u4e0d\u662f\u4e2a\u6848\u3002\u5982\u679c\u662f\u90a3\u6837\u7684\u8bdd\uff0c\u6211\u4eec\u6559\u80b2\u5de5\u4f5c\u8005\u5b8c\u5168\u53ef\u4ee5\u4eba\u4e3a\u63a7\u5236\u201c\u78c1\u901a\u91cf\u201d\u7684\u53d8\u5316\u800c\u4f7f\u5b66\u751f\u7684\u201c\u611f\u5e94\u7535\u6d41\u201d&#8212;\u5fc3\u7406\u9a71\u52a8&#8212;\u5411\u7740\u6211\u4eec\u9884\u8bbe\u7684\u65b9\u5411\u53d1\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u695e\u6b21\u5b9a\u5f8b[lenz&#8217;s law] \u611f\u5e94\u7535\u6d41\u7684\u78c1\u573a\u603b\u8981\u963b\u788d\u5f15\u8d77\u611f\u5e94\u7535\u6d41\u78c1\u901a\u91cf\u7684\u53d8\u5316\u3002[The emf &#8230; 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