Single Phase Motors
Which of the following statements regarding hysteresis motor is in incorrect ?

It is extremely sensitive to fluctuations in supply voltage
It accelerates from rest to full-speed almost instantaneously
It is extremely quiet in operation
Its high starting torque is due to its high rotor hysteresis loss

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Single Phase Motors
The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it

helps the rotor teeth to remain under the stator teeth
helps in reducing the tendency of the rotor teeth to remain under the stator teeth
improves the efficiency
improves the power factor

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