Hysteresis Motor Is Particularly Useful For High-quality Record Players And Tape-recorders Because__________

Hamad Single Phase Induction Motors 20/04/2021

A. it revolves synchronously
B. it is not subject to any magnetic or mechanical vibrations
C. it can be easily manufactured in extremely small sizes of up to 1 W output
D. it develops hysteresis torque which is extremely steady both in amplitude and phase

Related Mcqs:

In a split phase motor____________?

A. the starting winding is connected through a centrifugal switch B. the running winding is connected through a centrifugal switch C. both starting and running windings are connected through a centrifugal switch D. centrifugal switch is used to control supply voltage...

Which of the following motors is inherently self starting ?

A. Split motor B. Shaded-pole motor C. Reluctance motor D. None of these...

In A.C. series motor compensating winding is employed to_____________?

A. reduce the effects of armature reaction B. increase the torque C. reduce sparking at the brushes D. none of the above...

The speed/load characteristics of a universal motor is same as that of_____________?

A. A.C. motor B. D.C. shunt motor C. D.C. series motor D. none of the above...

If starting winding of a single-phase induction motor is left in the circuit, it will____________?

A. run faster B. spark at light loads C. draw excessive current and overheat D. run slower...