EXAMIANS
The magnitude of the induced e.m.f. in a conductor depends on the
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Air-core coils are practically free from
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A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by
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Lenz's law is a consequence of the law of conservation of
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Which of the following inductor will have the least eddy current losses?
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The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as
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In case of an inductance, current is proportional to
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Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be
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Which of the following circuit elements will oppose the change in circuit current?
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A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be
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