Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

Q. Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

A.            Providing laminations in armature core

B.            Providing laminations in stator

C.            Using non-magnetic material for frame

D.            Using material of low hysteresis co-efficient for armature core material

Answer: Using material of low hysteresis co-efficient for armature core material