Electrical Machines
In large sized DC machines the compensating windings are provided to

 compensate for the decrease in speed due to increase of load.
 reduce eddy current losses by providing local short circuits.
None of these
  neutralize voltage induced in coil due to fluctuation of l

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Electrical Machines
Due to magnetic saturation, the flux per pole in a DC machine without brush shift

 increases in both the generators and the motors with load.
  decreases in both generators and the motors with load.
 increases in generators but decreases in motor with load.
 decreases in generators and increases in motor with load.

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