University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 25 - Current, Resistance, and Electromotive Force - Problems - Discussion Questions - Page 841: Q25.13

Answer

See explanation.

Work Step by Step

The room-temperature filament has a low resistance, allowing a large current to surge through, which may burn out the bulb. The electrical resistance of the filament increases as it heats up, reducing the current to a smaller steady-state value.
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