Даю 20 баллов!решите ​

Question

Даю 20 баллов!решите ​

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Answer 1

R23=R2+R3=8+4=12 Ом  R123=R1*R23/(R1+R23)=6*12/(6+12)=4 Ом  R=R123+R4+R5=4+14+12=30 Ом   I=Uab/R=120/30=4 A

Answer 2

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