初三物理中电动机和发电机的原理分别是什么？如何区别？ 初三物理，电动机和发电机的区别和共同点是什么？
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初三物理电动机和发电机是重点内容，电动机是利用电流的磁效应具体说是通电导体在磁场中受到力的作用，而电动机是电磁感应现象，简单的说电动机耗电，发电发电，在电路中判断是电动机还是发电机，关键看有没有电源，有就是电动机，反之
发电机和电动机的区别是：发电机是把机械能转换成电能.电动机是把机械能转换成电能：
发电机的原理是动磁生电.电动机原理是磁电生力.（在这里一句两句讲不清楚的）.可以买一本电工基础看看。
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绛旓細鐢靛姩鏈:閫氱數瀵间綋鍦ㄧ鍦轰腑鍙楀埌鍔涚殑浣滅敤鑰岃繍鍔,骞朵笖鐢变簬鎹㈠悜鍣ㄦ敼鍙樹簡绾垮湀涓殑鐢垫祦鏂瑰悜,浠庤屾寔缁浆鍔.鍙戠數鏈:鐢电鎰熷簲鍘熺悊.鍗抽棴鍚堢數璺殑涓閮ㄥ垎瀵间綋鍦ㄧ鍦轰腑鍋氬垏鍓茬鎰熺嚎杩愬姩鏃,鍦ㄥ浣撲腑灏变細浜х敓鐢垫祦.杩欑鐢垫祦鏄劅搴旂數娴,鍗崇數纾佹劅搴旂幇璞.
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