Question

find current in figure

Answer 1

Answer:

Explanation:

v=ir

r=equivalent resistance

r=r1+r2

r=20+20=40

1/r4=1/r2+1/r3

1/r4=1/40+1/20

1/r4=60/800

r4=13.34

i=v/r

i=4/13.34

i=0.299 ampere