The speed of a dc motor depends upon

  • AFlux per pole
  • BApplied voltage to armature
  • CVoltage drop in armature circuit resistance
  • DAll of the above
Correct Answer : (D)

All of the above

Hints :

The current drawn by a 120 V dc motor with back emf of 110 V and armature resistance of 0.4 ohm is


With the increase in speed of a dc motor

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