Q.

The magnitude of counter or back emf in a s synchronous motor 

  • AIs always less than supply voltage 
  • BIs always more than supply voltage 
  • CIs always equal to supply voltage 
  • DMay be either equal to or less than or more than supply voltage
Correct Answer : (D)

May be either equal to or less than or more than supply voltage

Hints :

The magnitude of counter or back emf in a s synchronous motor May be either equal to or less than or more than supply voltage.

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