Which of the following relations correctly gives the electrical energy consumed by an…

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

Problem

Which of the following relations correctly gives the electrical energy

W

consumed by an appliance of constant power

P

operating for a time

t

? (a)

W = \dfrac{1}{2}\,P\,t

(b)

W = P\,t

(c)

W = 2\,P\,t

(d)

W = \dfrac{P\,t}{60}