Respuesta :

Answer:

option b , 2A

Explanation:

V= IR

thus

I=V/R

so putting values we get,

I = 120/ R

for the value of R...

R(series) = R1 + R2 + R3

R= 20 + 20+ 20 = 60 ohm

R=60ohm

thus, I=120/60 = 2

Therefore,

I = 2A