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A choke coil is preferred to a rheostate...

A choke coil is preferred to a rheostate in `AC` circuit as

A

it consumes almost zero power

B

it increases current

C

it increases power

D

it increases voltage

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The correct Answer is:
A
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RESONANCE ENGLISH-ALTERNATING CURRENT-Exercise -1 Part-1
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  15. A choke coil has

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  16. A choke coil is preferred to a rheostate in AC circuit as

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  17. With increase in frequency of an AC supply, the inductive reactance:

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  18. With increase in frequency of an AC supply, the capacitive reactance:

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