Q. resistance will

  • (A) decrease the speed of motor
  • (B) increase the speed of motor
  • (C) not have signicant effect on speed
  • (D) no effect
πŸ’¬ Discuss
βœ… Correct Answer: (A) decrease the speed of motor
Explanation: at low speed increase in armature current caused by decrease in emf, will not be enough to compensate for decrease in flux in induced torque equation.

Explanation by: Mr. Dubey
at low speed increase in armature current caused by decrease in emf, will not be enough to compensate for decrease in flux in induced torque equation.

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