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Longest Chain Rule

An inductor m...

Question

An inductor may store energy in :

A

its electric field

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B

its coil

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C

its magnetic field

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D

both electric and magnetic fields

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Solution

The correct option is C its magnetic field
An inductor stores energy in its magnetic field.
Energy stored is given by: $U = \frac{1}{2} {L i}^{2}$ where $L i$ is magnetic flux.

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