Electrical Machines
The damper windings also called the squirrel cage windings or damper grids

  are provided on the stator for improving power factor.
  are provided in a synchronous motor to make it self starting.
  both (A) and (B).
  consists of short-circuited copper bars embedded in the field pole faces.

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

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

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