Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Compensating winding. Both Compensating and Commutating pole winding. Auxiliary winding. Commutating pole winding. Compensating winding. Both Compensating and Commutating pole winding. Auxiliary winding. Commutating pole winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Reversing armature connection or field connection. Interchanging armature and field connection. Adding resistance to field circuit. Reversing supply connection. Reversing armature connection or field connection. Interchanging armature and field connection. Adding resistance to field circuit. Reversing supply connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of a DC motor both back emf as well as line current fall. 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. both back emf as well as line current increase. back emf falls and line current increases. back emf increases but line current falls. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will start haunting. run at very low speed. run at very high speed. burn. start haunting. run at very low speed. run at very high speed. burn. ANSWER DOWNLOAD EXAMIANS APP