Question

Дано: R1=20ОмR2=30омR3=10омR4= 30о R5=20омI2=1А.
Найти: I3-? I4-? I5-? Uобщее-?

Answer 1

Io=I1=I2=I5

R34=R3*R4/(R3+R4)=10*30/(10+30)=7.5 Ом

Ro=R1+R2+R34+R5=20+30+7.5+20=77.5 Ом

Uo=Io*Ro=1*77.5=77.5 B

I3=U34/R3=7.5/10=0.75 A

I4=Io-I3=1-0.75=0.25 A

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