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Alternating Current and Direct Current

The resistanc...

Question

The resistance of a coil for dc is $R$ ohms. When connected to ac supply the total resistance offered by circuit to ac current.

Will remain same

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Will increase

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Will decrease

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Will be zero

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Solution

The correct option is A Will remain same
Resistance offered by coil is same for $A C$ as well as $D C .$ So, Resistance will not change.

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