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範例:電功率與電阻熱效應

兩電熱器的規格分別為A(110V,500W)B(110V,1000W)。今將兩者串聯後接上220伏特的電源,則兩電熱器 (A)電阻RA:RB=2:1 (B)電位差VA:VB=1:2 (C)生熱功率PA : PB=2:1 (D)A電器的生熱功率為其正常使用時的4/3 (E)B電器的電流為其正常使用時的2/3倍。【南一中】


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