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The power factor of a CR circuit is (1)/...

The power factor of a CR circuit is `(1)/(sqrt(2))`. If the frequency of ac signal is halved, then the power factor of the circuit becomes

A

`(1)/(sqrt(5))`

B

`(1)/(sqrt(7))`

C

`(1)/(sqrt(3))`

D

`(1)/(sqrt(11))`

Text Solution

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The correct Answer is:
A
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