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ELECTROMAGNETIC INDUCTION QUIZ

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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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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Air-core coils are practically free from

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Which of the following is unit of inductance?

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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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Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla

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The magnitude of the induced e.m.f. in a conductor depends on the

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Which of the fpllowing inductor will have the least eddy current losses ?

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Increasing the field or increasing the current will decrease the force on the conductor.

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