Question

Решить задачу со схемой ребятки !!!!

Answer 1

R1=50     R2=120    R3=200    E=120 B

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Rэ=R2*R3/(R2+R3)=120*200/(120+200)=75 Ом

Ro=R1+Rэ=50+75=125 Ом

Io=E/Ro=120/125=0.96 A

P1=Io*R1²=0.96*50²=2400 Вт

U3=Uэ=Io*Rэ=0.96*75=72 B

I3=U3/R3=72/200=0.36 A

U1=Io*R1=0.96*50=48 B

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