For V-curves for a synchronous motor the graph is drawn between
A) field current and armature current
B) terminal voltage and load factor
C) power factor and field current
D) armature current and power factor
Correct Answer:
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Q15: As the load is applied to a
Q16: Synchronous motor always runs at
A)the synchronous speed
B)less
Q17: An over-excited synchronous motor takes
A)leading current
B)lagging current
C)both
Q18: The working of a synchronous motor is
Q19: The minimum armature current of the synchronous
Q20: In a synchronous motor, the magnitude of
Q21: If load (or torque) angle of a
Q23: The back e.m.f. of a synchronous motor
Q24: A synchronous motor can operate at
A)lagging power
Q25: In a synchronous motor which loss varies
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