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A conducting rod of length 1 m moves with velocity 5 m/s perpendicular to a uniform magnetic field of 0.4 T. The motional EMF is:
A2.0 V
B1.0 V
C0.5 V
D10 V
Answer & Solution
Correct answer: A. 2.0 V
$|e| = B\ell v = 0.4 \times 1 \times 5 = 2.0$ V.
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