Which of the following expressions gives the electrical energy consumed by an…

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

Problem

Which of the following expressions gives the electrical energy

W

consumed by an appliance of power

P

when it operates for a time

t

? (a)

W = \dfrac{P\,t}{3600}

(b)

W = 2\,P\,t

(c)

W = P\,t

(d)

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