问题描述:
家庭电路中的电阻电压和电流问题,具体看图,谢谢
看图
问题解答:
我来补答
Reb = 10R/9 // (9R+R) = R
Rab = 10R + Reb = 11R Ueb / Uab = Reb /Rab = R / 11R = 1 / 11 (1)Ucd / Ueb = R / (9R+R) = 1 /10 (2)由 (1)乘(2)得:Ucd / Uab = 1 / 110当 Uab = 110 V 时,Ucd = Uab * 1 / 110 = 1 V同理,当 Ucd = 110 V 时 ,二者比例不变:Uab = Ucd * 110 = 12100 V
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