Electrical Machines
In a seperately excited DC Motor if field current is increased, it will

 Reduce starting torque.
 Increase acceleration duration.
 Reduce armature heating.
 Increase speed

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Electrical Machines
Where the shunt generators are widely used?

 Where often load fluctuation is occurred.
 Where the load is very high.
 Where voltage variation is needed over a wide load range.
  Where a constant voltage is required over a narrow load range.

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