Electrical Machines
An induction motor is, in general analogous to

 two winding transformer with secondary short circuited.
 two winding transformer with secondary open circuited.
 auto transformer.
None of these

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

 both the windings have thick leads
 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 thin leads

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