Which of the following expressions gives the electric power dissipated in a resistor…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits

Problem

Which of the following expressions gives the electric power dissipated in a resistor solely in terms of the current

I

through it and its resistance

R

? (a)

P = I\Delta V

(b)

P = 2I^{2}R

(c)

P = I^{2}R

(d)

P = \dfrac{(\Delta V)^{2}}{R}