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

Related Mcqs:

In case one phase of a three-phase synchronous motor is short-circuited the motor will____________?

A. not start B. run at 2/3 of synchronous speed C. run with excessive vibrations D. take less than the rated load...

The induced e.m.f. in a synchronous motor working on leading power factor will be_____________?

A. more than the supply voltage B. less than the supply voltage C. equal to the supply voltage D. None of these...

The maximum speed variation in a 3-phase synchronous motor is____________?

A. 10 per cent B. 6 per cent C. 4 per cent D. 2. per cent E. zero...

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...

An over excited synchronous motor is used for____________?

A. fluctuating loads B. variable speed loads C. low torque loads D. power factor corrections...