Question

A current of 0.2 ampere flows through a conductor resistance 4.5_ . calculate the potential difference at the ends of the conductor.

Answer 1

R= 4.5 ohm I = 0.2 A

V= I R
V = 0.2×4.5
= 0.9 volt

Answer 2

R=4.5ohm
I=0.2A
V=IR
V=0.2×4.5
V=0.9V