Question

已知电路如图,IS=7A,US=35V,R1=1,R2=2,R3=3,R4=4,分别用戴维南定理和叠加原理求图示电路中的

Answer 1

Uab = 3 * 7 + 35 = 56 V

Rab = 3 Ω

I = 56 / 10 = 8 A

叠加原理：

I1 = 7 * 3 / 7 = 3 A

I2 = 35 / 7 = 5 A

I = I1 + I2 = 8 A