Electrical Machines
Direction of the current in the compensating winding is________ to the direction of current in the armature conductors?

 exactly opposite
 same
None of these
 either of these

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Electrical Machines
In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will

  improve and terminal voltage will rise .
  worsen and terminal voltage will fall
 improve but terminal voltage will fall.
  worsen and terminal voltage will rise.

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Electrical Machines
What will happen if the the supply terminals are reversed in case of a DC shunt motor?

 The motor will run at its normal speed in the same direction as before.
 The motor will stop.
 The motor will run much faster in the same direction.
 The motor will run in reverse direction.

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