When the armature of a D.C. motor rotates, e.m.f. induced is
A)self-induced e.m.f.
B)mutually induced e.m.f.
C)back e.m.f.
D)none of the above

Name: When the armature of a D.C. motor rotates, e.m.f. induced is A)self-induced e.m.f. B)mutually induced e.m.f. C)back e.m.f. D)none of the above
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Question

Quizplus · Accepted Answer

The e.m.f. induced when the armature of a D.C. motor rotates is known as back e.m.f. It acts against the direction of the current that powers the motor, hence the term "back."

When the Armature of a D