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The resistance of a coil for dc is in ohms. In ac, the resistance

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The resistance of a coil for dc is in ohms. In ac, the resistance  

(a) will remain same  

(b) will increase  

(c) will decrease 

(d) will be zero

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1 Answer

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The correct option is (b).

Explanation:

The coil having inductance L besides the resistance R.

Hence for ac its effective resistance.

will be larger than its resistance R for dc.

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