Which expression gives the magnitude of the emf induced between the ends of a…

PHYSICS · Single correct · CBSE · Physics · Electromagnetic Induction · Electromagnetic Induction

Problem

Which expression gives the magnitude of the emf induced between the ends of a straight conducting rod of length

l

when it moves with speed

v

perpendicular to a uniform magnetic field of magnitude

B

? (a)

2 B l v

(b)

\dfrac{1}{2} B l v

(c)

B l v

(d)

\sqrt{2}\, B l v