Synchronous motors generally have 

  • ASalient pole rotor 
  • BSmooth cylindrical rotor
  • CEither salient pole or smooth cylindrical rotor 
  • DNone of the above 
Correct Answer : (A)

Salient pole rotor 

Hints :

Synchronous motors generally have Salient pole rotor.


Number of slip rings in a 3-phase synchronous motor will be 


An ideal synchronous motor has no starting torque because the 

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