Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 25 - Think and Explain - Page 482-483: 59


Agree, with reservations.

Work Step by Step

A coil of wire (armature) spinning in a magnetic field, which cuts through magnetic field lines, is acting as a generator. You actually induce ac current in the armature, but the slip rings and other apparatus in a dc motor partially rectify the current to dc.
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