The phase sequence of a three-phase alternator will reverse if ...

The phase sequence of a three-phase alternator will reverse if 

A) The field current is reversed keeping the direction of rotation same. B) The field current remains the same but the direction of rotation is reversed C) The field current is reversed and also the direction of rotation is reversed D) None of the above
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Answer :

The phase sequence of a three-phase alternator will reverse if The field current remains the same but the direction of rotation is reversed 

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