EXAMIANS
The magnitude of the induced e.m.f. in a conductor depends on the
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Reversing the field or the current will reverse the force on the conductor.
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A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is
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The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will
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Which of the following is not a unit of inductance?
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A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be
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An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
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The direction of induced e.m.f. can be found by
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In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be
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A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is
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