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Inductors MCQs

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Question 82easy

When a load is not connected to the secondary of a transformer:

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Question 83easy

After a voltage has been applied to an inductor, the current will be ___ of its full value after 2 time constants.

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Question 84easy

The ___ of a coil is the inherent resistance of the wire.

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Question 85easy

___ power represents the energy dissipated at a given point in time.

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Question 86easy

After the first time constant, a transient current has changed by _______________ %, leaving _______________ % remaining.

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Question 87easy

When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.

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Question 88easy

Electromagnetic induction is the generation of _________ from __________.

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Question 89easy

Inductive ___ represents the opposition to an alternating current.

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Question 90easy

The ___ cannot change instantaneously in an inductor.

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