3. An e.m.f. of 1 V is induced in a conductor moving at 10 cm/s in a magnetic field of 0.5 T. The effective length of the conductor in the magnetic field is: (a) 20 cm (b) 5 m (c) 20 m (d) 50 m
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m.f. (\( \mathcal{E} \)) = 1 V - Velocity of the conductor (\( v \)) = 10 cm/s = 0.1 m/s - Magnetic field (\( B \)) = 0.5 T - Effective length of the conductor (\( l \)) = ? Show more…
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