Electrical Machines
Which slots are used in the rotor of an induction motor?

  Semi closed slots.
  None of above.
  Closed slots.
  Open slots.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because

 it reduces field structure iron losses
 commutator action is not possible otherwise
 dc machines are comparatively low rating machines.
 it gives more uniform air-gap flux distribution

ANSWER DOWNLOAD EXAMIANS APP