Electrical Machines
The coil spam

 none of above.
 must be exactly equal to people pitch.
 can never be equal to pole pitch.
  may or may not be exactly equal to people pitch.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In DC machines, the interpoles are provided

 to counteract demagnetizing effect of armature mmf in commutating zone.
  to make commutation spark less.
  both (B) and (C).
 to counteract the reactance voltage and the cross-magnetizi

ANSWER DOWNLOAD EXAMIANS APP