Electrical Machines
Induction motor operation depends on

None of these
 either of these.
 stationary magnetic field.
 rotating magnetic field.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a loaded DC generator, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will

 deteriorate with fall of terminal voltage.
 improve with rise in terminal voltage.
 deteriorate with rise in terminal voltage.
 improve with fall of terminal voltage.

ANSWER DOWNLOAD EXAMIANS APP