Electrical Machines
Which of the following statements are correct ?

 The leakage reactance of the induction motor should be small.
 Both 1 and 2.
None of these
 A small value of leakage reactance will increase the maximum power output of motor.

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Electrical Machines
In a DC machine, for the same value of φ, Z and N; which one of the following statements is correct?

 Armature emf is less with wave winding than with lap winding.
 Armature emf depends on weather the machine is running as a motor or generator.
  Armature emf is more with wave winding than with lap winding.
 Armature emf is same as long as the flux density in the air gap remains the same.

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