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

• A. 0.5 volt
• B. 0.1 volt
• C. 1 volt
• D. 2 volt

Answer 1

Answer: (C)

1 volt

Answer 2

$e = Bvl = 0.5 \times 2 \times 1 = 1\mspace{6mu} V$