Conceptual Physics (12th Edition)

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

Chapter 22 - Reading Check Questions (Comprehension): 13

Answer

Heat and electric current are both carried by electrons. Glass and rubber are poor conductors because they hang on tightly to their electrons, which therefore are not free to move throughout the material and establish a flow.

Work Step by Step

This is discussed on page 412.
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