Question

In a current I=9A, and 12v battery and the resistance is 4ohm and R2 .find R2

Answer 1

Explanation:

given that :- I = 9A

V = 12volts

V = IR (ohm's law )

12 = 9× ( 12ohm + R2 )

4/3 = 12 + R2

16/3 = R2

=5.3333.... --> 5.4 ( approx )