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A 3-phase synchronous motor is operating at a given load. If an increase in excitation reduces the armature current, it can be concluded that the motor is | |
A. | operating at lagging power factor and absorbing reactive power from the mains. [Correct Answer] |
B. | operating at leading power ctor and delivering reactive power to the mains. [Wrong Answer] |
C. | either (a) or (b). [Wrong Answer] |
D. | none of these. [Wrong Answer] |