The back e.m.f. in the stator of a synchronous motor depends on____________?

Related Mcqs:

The angle between the rotating stator flux and rotor poles is called _________ angle.

A. synchronizing B. obtuse C. torque D. power factor...

The maximum value of torque that a synchronous motor can develop without losing its synchronism, is known as_____________?

A. slip torque B. pull-out torque C. breaking torque D. synchronising torque...

A synchronous motor can be made self starting by providing?

A. damper winding on rotor poles B. damper winding on stator C. damper winding on stator as well as rotor poles D. none of the above...

If load (or torque) angle of a 4-pole synchronous motor is 6° electrical, its value in mechanical degrees is__________?

A. 2 B. 3 C. 4 D. 6...

If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor

A. will become more B. will become less C. will remain unchanged D. none of the above....