Which one of the following is the correct expression for electrical power in terms of…

MATHEMATICS · Single correct · ISC · Physics · Current Electricity · Electrical energy and power

Problem

Which one of the following is the correct expression for electrical power in terms of current

I

and resistance

R

of a conductor? (a)

2I^{2}R

(b)

I^{2}R

(c)

\dfrac{I^{2}R}{2}

(d)

\dfrac{I^{2}R}{\sqrt{2}}