Question

R1=4om R2=5om R3=10om R4=30om R5=3om Uab=40В Найти R и I

Answer 1

R=R1+(1/(1/R2+1/R3+1/R4))+R5=4+(1/(1/5+1/10+1/30))+3=10 Ом
I=U/R=40/10=4 A