SSC JE Electrical Engineering 2012 Paper

Question : 178 of 200

Marks: +1, -0

Which one of the following is correct ?

The effect of air gap flux on armature current of a synchronous machine is called armature reaction.
The effect of armature current on main flux of a synchronous machine is called armature reaction.
The effect of armature current on air gap flux of a synchronous machine is called armature reaction
The effect of field current on main flux of a synchronous machine is called armature reaction.

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