Question

give its solution ?????​

Answer 1

Equivalent Resistance, Req = ( 1 + 2 )ohm => 3ohm

Since , resisters are in series.

According to Ohms law,

V = I x Req

30 = I x 3

I = 10 ampere

Potential difference in 2 ohm resistor, V = 10 x 2 => 20 volt