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The power factor of an AC circuit having...

The power factor of an AC circuit having resistance (R) and inductance (L) connected in series and an angular velocity `omega` is

A

`(R )/(omega L)`

B

`(omega L)/(R )`

C

`( R)/(sqrt(R^2 +omega^2 L^2))`

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
Power factor ` = cos phi = R/Z = ( R)/(sqrt(R^2 + omega^2 L^2))`
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