Hysteresis motor is particularly useful for high-quality record players and tape-recorders because________?
Ait revolves synchronously
Bit can be easily manufactured in extremely small sizes of up to 1 W output
Cit is not subject to any magnetic or mechanical vibrations
Dit develops hysteresis torque which is extremely steady both in amplitude and phase
Correct answer
D. it develops hysteresis torque which is extremely steady both in amplitude and phase
Explanation
The correct answer is it develops hysteresis torque which is extremely steady both in amplitude and phase.