Electrical Machines
In a step down transformer which one of the following statements is true?

  Number of secondary turns is less than primary turns.
 Secondary power is less than primary power.
 Number of secondary turns is more than that of primary.
 Secondary current is less than primary current.

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Electrical Machines
An ideal synchronous motor has no starting torque because

 relative velocity between the stator and rotor mmf’s is zero.
 rotor winding is highly reactive.
 rotor is made up of salient poles.
  relative velocity between stator and rotor mmf’s is not zero.

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