Which equation gives the energy converted by a circuit element that operates at a…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Which equation gives the energy

E

converted by a circuit element that operates at a constant power

P

for a time interval

t

? (a)

E = \dfrac{1}{2} P t

(b)

E = P t

(c)

E = 2 P t

(d)

E = \sqrt{2}\,P t