Power Factor of load when reading of the one wattmeter is four times the other.

Q.  If the reading of one wattmeter is four times the other wattmeter while measuring the input power of 3 phase induction motor then the power factor of the load will be
- Published on 14 Sep 15

a. 0.56
b. 0.69
c. 0.74
d. 0.81

ANSWER: 0.69

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