Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator?
AUsing material of low hysteresis co-efficient for armature core material
BProviding laminations in armature core
CUsing non-magnetic material for frame
DProviding laminations in stator
Correct answer
A. Using material of low hysteresis co-efficient for armature core material
Explanation
The correct answer is Using material of low hysteresis co-efficient for armature core material.