NEET PHYSICS 12-6-2

1.

A conducting rod of length l moves with velocity v perpendicular to a magnetic field B. The induced emf is

A. Blv

B. Bl/v

C. Bv/l

D. B/lv

2.

A coil has 500 turns. If the magnetic flux through each turn changes uniformly from 0.2 Wb to 0 in 0.5 s, the induced emf is

A. 50 V

B. 100 V

C. 200 V

D. 250 V

3.

If the speed of the rod is doubled, the induced emf becomes

A. Half

B. Same

C. Double

D. Four times

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