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Q.

In which of the following cases, loss of energy due to eddy current takes place?

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a

During charging of a capacitor by a battery

b

Steady current flowing through an inductor containing ferromagnetic core

c

In the core of the transformer 

d

None of the above

answer is C.

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Detailed Solution

As alternating source of voltage is used in transformer, flux through transformer core changes with time which gives rise to eddy current and energy loss. 

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