Electrical Machines
The power developed by salient pole synchronous machine is/are

 both 1 and 2
 power due to saliency or reluctance only
None of these
 excitation power only

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Electrical Machines
Ward-Leonard system for controlling the speed of a DC motor is used where

 The speed in both the direction is required.
 The accuracy in speed control is required.
 All of above.
 Very fine speed control over the whole range from zero to normal speed is required.

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

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

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