Electrical Machines
The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ?

 14.28%.
 16.67%.
 18.25%.
 15.30%.

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Electrical Machines
DC Motor

  dc shunt motor with field weakening.
  dc compound motor.
  dc series motor.
  dc shunt with armature resistance control.

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