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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 incresases voltage

Text Solution

Verified by Experts

The correct Answer is:
A
A choke coil contains high inductance but negligible resistance, due to which power loss becomes appreciably small.
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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

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