来自林晓琳的问题
并联电路电源电压不变,干路电流为1AR1与R2等效电阻为R并且R1于R2比是5:3电阻R2消耗的电功率为2.4W求R2阻
并联电路电源电压不变,干路电流为1AR1与R2等效电阻为R并且R1于R2比是5:3电阻R2消耗的电功率为2.4W求R2阻
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2020-11-09 01:56
并联电路电源电压不变,干路电流为1AR1与R2等效电阻为R并且R1于R2比是5:3电阻R2消耗的电功率为2.4W求R2阻
并联电路电源电压不变,干路电流为1AR1与R2等效电阻为R并且R1于R2比是5:3电阻R2消耗的电功率为2.4W求R2阻
R1于R2电阻比是5:3,电流比=3:5
总电流1A,R2电流=5/8A
等效电阻R=P/I^2=3.84Ω
R1R2并联,等效电阻=R1*R2/(R1+R2)=3.84
R1/R2=5/3
R1=10.24ΩR2=6.144Ω