Identify the correct expression for electrical power dissipated in a resistor of…

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

Problem

Identify the correct expression for electrical power

P

dissipated in a resistor of resistance

R

carrying a current

I

. (a)

P = \dfrac{1}{2} I^{2} R

(b)

P = 2 I^{2} R

(c)

P = I^{2} R

(d)

P = \sqrt{2}\, I^{2} R