Eddy currents are induced in the pole shoes of a D.C. machine due to
A)oscillating magnetic field
B)pulsating magnetic flux
C)relative rotation between field and armature
D)all above

Question

Quizplus · Accepted Answer

Eddy currents in a D.C. machine are primarily induced due to the relative rotation between the field and the armature, which causes a change in magnetic flux linkage.

Eddy Currents Are Induced in the Pole Shoes of a D.C