Which of the following expressions gives electric power only in terms of potential…

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

Which of the following expressions gives electric power only in terms of potential difference

V

and resistance

R

? (a)

P = \dfrac{V^{2}}{2R}

(b)

P = 2\,\dfrac{V^{2}}{R}

(c)

P = \dfrac{V^{2}}{R}

(d)

P = \dfrac{V^{2}}{\sqrt{2}\,R}