Single Phase Motors
Which of the following statements regarding a reluctance motor is incorrect ?

It is nothing else but a single-phase, salient pole synchronous-induction motor
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor
It requires no D.C. field excitation for its operation
It cannot be reversed, ordinarily

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

improves the efficiency
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 power factor

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