ELECTRICAL MACHINES

 Auxiliary winding.

 Both Compensating and Commutating pole winding.

 Compensating winding.

 Commutating pole winding.

 Interchanging armature and field connection.

 Reversing supply connection.

 Adding resistance to field circuit.

 Reversing armature connection or field connection.

 motor will not run.

 it will run in opposite direction.

 it will run in same direction by slowly.

 it will run in same direction.

 both back emf as well as line current increase.

 back emf falls and line current increases.

 back emf increases but line current falls.

 both back emf as well as line current fall.

 start haunting.

 burn.

 run at very low speed.

 run at very high speed.