In a synchronous motor, the magnitude of stator back e.m.f. Eb depends on___________?

Related Mcqs:

A three-phase synchronous motor will have_____________?

A. no slip-rings B. one slip-ring C. two slip-rings D. three slip-rings...

Slip-rings in a synchronous motor carry____________?

A. direct current B. alternating current C. no current D. all of the above...

When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop_________________?

A. inductor motor torque B. induction generator torque C. synchronous motor torque D. d.c. motor toque E. none of the above...

A synchronous motor can be used as a synchronous capacitor when it is____________?

A. under-loaded B. over-loaded C. under-excited D. over-excited...

Power factor of a synchronous motor is unity when_____________?

A. the armature current is maximum B. the armature current is minimum C. the armature current is zero D. none of the above...