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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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[" Which of the following "],[" statements are correct in "],[" the case of choke coil? "],[" A) Choke coil works on the "],[" principle of wattless current "],[" B) A choke coil has high "],[" inductance and low "],[" resistance "],[" C) A choke coil is preferred "],[" to a rheostat in ac circuit as "],[" it consumes almost zero "],[" power "],[" D) Choke coil is used to "],[" control both ac and de "]

A choke coil has.

Choke coil is a series

A choke coil is preferred to a resistance for reducing current in an ac circuit because .

Choke coil is used to control

RESONANCE-ALTERNATING CURRENT-Exercise -1 Part-1
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  14. A capacitor becomes a perfect insulator for

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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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  19. An ac ammeter is used to measure currnet in a circuit. When a given di...

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  20. In an a.c. circuit consisting of resistance R and inductance L, the vo...

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