Conceptual Physics (12th Edition)

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

Chapter 23 - Think and Explain: 74

Answer

See below.

Work Step by Step

The room-temperature filament has a low resistance, allowing a large current to surge through and burning out the bulb. The electrical resistance of the filament increases as it heats up, reducing the current.
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