Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 50 1 100 10 50 1 100 10 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for increase efficiency reduce losses collecting of current convert AC armature current in to DC increase efficiency reduce losses collecting of current convert AC armature current in to DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to zero. 1.5 %. less than 1 %. 4 %. zero. 1.5 %. less than 1 %. 4 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. between 50% and 90%. same. less than 50%. more. between 50% and 90%. same. less than 50%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will start haunting. burn. run at very low speed. run at very high speed. start haunting. burn. run at very low speed. run at very high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 50 Hz 25 Hz 0 Hz 100 Hz 50 Hz 25 Hz 0 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS