In an inductive circuit, when the XL value increases, the circuit power factor?

(A) Increases
(B) Decreases
(C) Remains the same
(D) Becomes zero

Ans: (B) Decreases

Explanation:
tan Ï• = XL/R and Power factor=cos Ï•
As XL increases, tan Ï• increases, Ï• increases, cos Ï• decreases and hence power factor decreases.




 

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