Field diverter method of speed control of a dc series motor gives speeds above rated one due to reduction of

  • AField current
  • BArmature current
  • CLine current 
  • DNone of these
Correct Answer : (A)

Field current

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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