HardPhysics
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A straight copper wire of length 1 m is placed perpendicular to the plane of magnetic field B = (i + 3k) T. If the wire moves with velocity v = (3i + 2j + k) m/s, then magnitude of motional emf across its ends will be
A
4 V
B
8 V
C
6 V
D
12 V
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