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Power factor may be equal to 1 for:...

Power factor may be equal to 1 for:

A

pure inductor

B

pure capacitor

C

pure resistor

D

An `LCR` circuit

Text Solution

Verified by Experts

The correct Answer is:
C,D
`cos phi=R/z=R/sqrt(R^(2)+(X_(L)-X_(C))^(2))=1`
Because `X_(L)=X_(C)`
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