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Related Questions

• The inductance of a coil is $60\,\mu H$. A current in this coil increases from 1.0 A to 1.5 A in 0.1 second. The magnitude of the induced e.m.f. is

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• In a transformer the primary has 500 turns and secondary has 50 turns. 100 volts are applied to the primary coil, the voltage developed in the secondary will be

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• In a region of uniform magnetic induction $B = {10^{ - 2}}\,tesla$, a circular coil of radius 30 cm and resistance $\pi ^2 ohm$ is rotated about an axis which is perpendicular to the direction of B and which forms a diameter of the coil. If the coil rotates at 200 rpm the amplitude of the alternating current induced in the coil is

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