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The phase sequence of a three-phase alternator will reverse if | |
A. | the field current is reversed keeping the direction of rotation same. [Wrong Answer] |
B. | the field current remains the same but the direction of rotation is reversed. [Correct Answer] |
C. | the field current is reversed and the number of poles is doubled. [Wrong Answer] |
D. | the number of poles is doubled without reversing the field current. [Wrong Answer] |