Electrical Machines
The flux is maximum in the following part of a DC motor:

 under leading pole tip.
 under trailing pole tip.
 under the interpole.
 pole core.

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Electrical Machines
In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting

  negative sequence currents are generated.
  the damper bars develop induction motor torque.
  the damper bars develop induction generator torque.
  the damper bars develop synchronous motor torque.

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

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