What is power factor angle of load for maximum voltage regulation?

Q.  What is the power factor angle of the load for maximum voltage regulation?
- Published on 25 Nov 15

a. tan-1 (X/R)
b. cos-1 (X/R)
c. tan-1 (R/X)
d. cos-1 (R/X)

ANSWER: tan-1 (X/R)

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