The output power of any electrical motor is taken from the

  • AArmature
  • BField
  • CCoupling mounted on the shaft
  • DMotor frame
Correct Answer : (C)

Coupling mounted on the shaft

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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