Q82
Hysteresis motor is particularly useful for high-quality record players and tape-recorders because
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
AnswerAnswer: Option D
Solution
Answer: Option D
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