Question

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Answer 1

Answer:

case 1

1)

R1=5ohm R2=10 ohm R3=30ohm

resistance in parallel so

1/ Rp= 1/R1+1/R2+1/R3 =1/5+1/10+1/30=10/30=1/3

Rp=3 ohm

v=6V

according to ohm's law,

V=IR

AND

I=V/R

I=6/3= 2A

2) v=IR

V=2A×3ohm= 6v