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If the synchronous machine is loaded from floating conditions, the alternator begins to operate at __________

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If the synchronous machine is loaded from floating conditions, the alternator begins to operate at __________

(a) leading p.f

(b) lagging p.f

(c) unity p.f

(d) zero p.f

I got this question in an interview.

Origin of the question is Physical Concepts of Synchronous Machine Operation topic in chapter Synchronous Machines of Electrical Machines

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Correct option is (a) leading p.f

The explanation: The resultant flux will be leading in nature, so after loading it from loading it from floating, alternator will operate at leading p.f.

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