Hysteresis motor is particularly useful for high-quality record players and tape-recorders because___________?

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

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