Power factor of an alternator driven by constant prime mover input can be changed by changing its
A. Speed.
B. Load.
C. Field excitation.
D. Phase sequence. [U.P.S.C. I.E.S. 2010]
Answer:C
Power factor of an alternator driven by constant prime mover input can be changed by changing its
A. Speed. B. Load. C. Field excitation. D. Phase sequence. [U.P.S.C. I.E.S. 2010]