Q. 22 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 wattmeters reads half of the other (bothpositive), then the power factor of the load is
(A) 0.532
(B) 0.632
(C) 0.707
(D) 0.866
Answer:(D)
Explanation:
