Single Phase Motors
In repulsion motor, maximum torque is developed when

brush axis is at 45° electrical to the field axis
brush axis is at 90° electrical to the field axis
None of these
brush axis coincides with the field axis

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Single Phase Motors
If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then

motor will not come up to speed
current drawn by the motor will be excessively high
motor will not carry the load
electrolytic capacitor will, in all probability, suffer break down

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

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