The purpose of the series quadrature windings in an Amplidyne -

The purpose of the series quadrature windings in an Amplidyne - 

a) Neutralize the effect of Armature Reaction b) Reduce commutation difficulties c) Increase the gain d) Increase the response time
by

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Answer :

The purpose of the series quadrature windings in an Amplidyne - Increase the gain 

by

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