Electrical Machines
When pure inductive load is connected to the alternator, what is the effect of armature reaction?

 Cross magnetization
 Demagnetization
None of these
 Magnetization

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Electrical Machines
In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because

 dc machines are comparatively low rating machines.
 commutator action is not possible otherwise
 it gives more uniform air-gap flux distribution
 it reduces field structure iron losses

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