...把它们串联在某一电路中,它们的功率之比是P1:P2=___,在相
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发布时间：2024-10-02 11:42
共1个回答
热心网友
时间：2024-11-10 21:18
它们的功率之比P1P2=I2R1I2R2=R1R2=32；
在相同时间内消耗的电能之比W1W2=P1tP2t=P1P2=32；
（2）两电阻并联，它们的电压相等，
它们的功率之比P1′P2′=U2R1U2R2=R2R1=23；
在相等时间内，它们产生的热量之比Q1Q2=W1′W2′=P1′tP2′t=P已赞过已踩过你对这个回答的评价是？评论收起 ._1uevpeq{zoom:1;background-color:#fff;border:0;margin-bottom:10px;padding:30px 0 20px 42px;position:relative}._1uevpeq.ec-1841{padding:20px 0}._1uevpeq.ec-2246{padding:20px 0 10px}.ec-1841 .y7we4hu{font-size:16px;margin-bottom:-5px}.y7we4hu{color:#7a8f9a;height:25px;line-height:25px;overflow:hidden;position:relative}.y7we4hu h2{margin:0;padding:0}.y7we4hu:after{clear:both;content:" ";display:block;height:0;visibility:hidden}a.tycfu7u{color:#666;float:right;font-size:12px;margin-left:8px;text-decoration:none}.hhhv6ex{color:#666;font-size:13px;line-height:normal;line-height:20px;margin-top:10px}.vnsdjzp{margin-top:15px;position:relative}.vnsdjzp h3{font-weight:400;padding:0}.vnsdjzp a{text-decoration:none}.vnsdjzp em{color:#d81419;font-style:normal}.ec-2246 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