If in a synchronous motor, driving mechanical load and drawing current – McqOptions

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1.	If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from the constant voltage supply, its field excitation is increased up to normal excitation, then its power factor:
A.	Become more
B.	Become less
C.	All of these
D.	Remain constant
Answer» B. Become less

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