A synchronous motor is operating with normal excitation. With the increase in load the armature current drawn from the supply main increases due to
A. increase in back emf.
B. fall in motor speed.
C. increase in resultant voltage across the armature.
D. increase in power factor.
Answer:C
A synchronous motor is operating with normal excitation. With the increase in load the armature current drawn from the supply main increases due to
A. increase in back emf. B. fall in motor speed. C. increase in resultant voltage across the armature. D. increase in power factor.