For the same power output rating and full-load speed, the motor that will have poorest starting torque is

  • ACumulative compound
  • BDifferential compound
  • CSeries
  • DShunt
Correct Answer : (B)

Differential compound

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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