A three-phase synchronous motor connected to ac mains is running at fu – McqOptions

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1.	A three-phase synchronous motor connected to ac mains is running at full load and unity power factor. If its shaft load is reduced by half and field current is held constant then its new power factor will be
A.	Unity
B.	Leading
C.	Lagging
D.	Dependent on machine parameters
Answer» C. Lagging

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