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dusiyong168
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樓主  發(fā)表于: 2012-09-03 17:54
假如我有5條1KW的發(fā)熱管，5跟同時(shí)并聯(lián)，接380V的電壓，求功率和電流分別是多少
                         5跟同時(shí)串聯(lián)，接380V的電壓，求功率和電流分別是多少
龐樹(shù)恒
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1樓  發(fā)表于: 2012-09-03 18:32
問(wèn)這個(gè)干嘛？自己算吧。應該是初中的問(wèn)題了。當純電阻電路了。

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