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In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to improve power factor.

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Answer : In a capacitor start motor, the phase displacement between starting and running winding can be nearly 90°.

Answer : In capacitor start single-phase motors current in the starting winding leads the voltage.

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Answer : In a split phase motor, the running winding should have low resistance and high inductance.

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Answer : In case of conductively compensated D.C. series motors, the compensating winding is provided in series with armature winding.

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