Which one of the following expresses the correct relationship among potential difference

PHYSICS · Single correct · A Level · Physics · Electricity · Electricity

Problem

V

, current

I

and resistance

R

for a conductor? (a)

I = \dfrac{2V}{R}

(b)

V = 2 I R

(c)

V = I R

(d)

R = 2\dfrac{V}{I}