First slide

Magnetic flux and induced emf

Question

A two metre wire is moving with a velocity of 1 m/sec perpendicular to a magnetic field of 0.5 weber/m². The e.m.f. induced in it will be

Moderate

A

0.5 volt
B

0.1 volt
C

1 volt
D

2 volt

Solution

$e = Bvl = 0 .5 \times 2 \times 1 = 1 V$

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