In 3 phase power measurement by two wattmeter method, the reading of one wattmeter is zero. The power factor of load is

Electronics and Communication Engineering (ECE) : Measurements and Instrumentation - Quiz(MCQ)

0.5

0.8

Correct Answer : Option (B) : 0.5

Explanation : When p.f. = 0.5, 0 = 60° and one of the wattmeters reads zero.

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