Question

Плиз! Задача по резистору помогите

Answer 1

R12=R1+R2=1+2=3
R123=R12*R3/(R12+R3)=3/2=1.5
Ro=R4+R123=4+1.5=5.5 Ом
I=E/(R+r)=10/(5.5+0.5)=1.67 A
U3=U123=I*R123=1.67*1.5=2.5 B
I3=U3/R3=2.5/3=0.83 A
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