ELECTRICAL MACHINES

 Compensating winding.

 Auxiliary winding.

 Both Compensating and Commutating pole winding.

 Commutating pole winding.

 Reversing supply connection.

 Reversing armature connection or field connection.

 Adding resistance to field circuit.

 Interchanging armature and 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.

 back emf falls and line current increases.

 back emf increases but line current falls.

 both back emf as well as line current fall.

 both back emf as well as line current increase.

 run at very high speed.

 start haunting.

 burn.

 run at very low speed.