Electrical Machines
In a synchronous motor electromagnetic power varies

 directly as square of applied voltage
 directly as applied voltage
None of these
 inversely as applied voltage

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

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