I1=3A
I2=1.5A
I3=1.5A
I4=3A
R4的电流:I4=U/R4=6V/2欧=3A
R2R3并联后,等效于1欧,再与R1串联后,总电阻为2欧,R1的电流:I1=U/R总=6V/2欧=3A
R2和R3相等,所以电流也相等:I2=H3=I1/2=1.5A
I1=3A
I2=1.5A
I3=1.5A
I4=3A
R4的电流:I4=U/R4=6V/2欧=3A
R2R3并联后,等效于1欧,再与R1串联后,总电阻为2欧,R1的电流:I1=U/R总=6V/2欧=3A
R2和R3相等,所以电流也相等:I2=H3=I1/2=1.5A