Conceptual Physics (12th Edition)

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

Part 5 - Multiple-Choice Practice Exam - Page 484: 4

Answer

When you buy a pipe at the hardware store, the water isn't included. When you buy copper wire, electrons are included in the wire.

Work Step by Step

Electrons are part of everyday materials.
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