Single Phase Motors
Which of the following single-phase motors has relatively poor starting torque ?

Capacitor motor
All single phase motors have zero starting torque
Universal motor
Repulsion motor

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Single Phase Motors
Hysteresis motor is particularly useful for high-quality record players and tape-recorders because

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

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