EXAMIANS
Which of the following circuit element stores energy in the electromagnetic field?
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As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it
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If current in a conductor increases then according to Lenz's law self-induced voltage will
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A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly
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Which of the following inductor will have the least eddy current losses?
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Higher the self-inductance of a coil,
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A laminated iron core has reduced eddy-current losses because
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An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is
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A moving magnetic field will produce the same effect as a conductor that is moving.
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Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
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