A synchronous motor connected to infinite bus bars has at constant ful – McqOptions

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1.	A synchronous motor connected to infinite bus bars has at constant full load, 100% excitation and unity power factor (p.f.). On changing the excitation only, the armature current will have:
A.	Leading p.f. with under excitation
B.	No change of p.f.
C.	Lagging p.f. with over excitation
D.	Leading p.f. with over excitation
Answer» E.

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