Electrical Machines
Armature reaction in DC generators will result in

 increase in slip.
 reduction in generated emf.
 open circuit.
 short circuit.

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

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

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