Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine

 armature winding has thin leads whereas field winding has thick leads
 armature winding has thick leads whereas field winding has thin leads
 both the windings have thick leads
 both the windings have thin leads

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Electrical Machines
Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will

  rotate in direction opposite to that before maintenance.
  not start at all.
  rotate in the same direction as before maintenance.
  get heated and damaged.

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