. In a synchronous motor which loss varies with load ?

Related Mcqs:

For V-curves for a synchronous motor the graph is drawn between:_______________?

A. armature current and power factor B. terminal voltage and load factor C. power factor and field current D. field current and armature current...

Change of D.C. excitation of a synchronous motor changes:

A. applied voltage of the motor B. power factor of power drawn by the motor C. motor speed D. none of the these E. all of the these...

While starting a synchronous motor by induction motor action, field winding is usually_____________?

A. connected to D.C. supply B. short-circuited by low resistance C. kept open-circuited D. none of the above...

Slip rings are usually made of__________?

A. carbon or graphite B. brass or steel C. silver or gold D. copper or aluminium...

The construction of a synchronous motor resembles____________?

A. a series motor B. an induction motor C. an alternator D. a rotary converter...