Q.

If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed is 

  • A115 V
  • B200 V
  • C230 V
  • D460 V
Correct Answer : (A)

115 V

Hints :

If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed is 115 V.

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