:::::::两个电阻R1:R2=3:2先将两电阻并联干路电流为0.5A求R1R2电流!

问题描述:

:::::::两个电阻R1:R2=3:2先将两电阻并联干路电流为0.5A求R1R2电流!

设R1=3,R2=2,则R总=6/5
依题意得U=0.5*(6/5)=0.6
所以R1电流为0.6/3=0.2A
R2电流0.6/2=0.3A