Two wattmeter method is used for measurement of power in a b

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M: +1.00/-0.33

Two wattmeter method is used for measurement of power in a balanced three-phase load supplied from a balanced three-phase system. If one of the wattmeter reads half of the other (both positive), then the power factor of the load is

[GATE EE 2018]

A 0.532

B 0.632

C 0.707

D 0.866