Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 19, Problem 19SP

A tungsten filament in an old lightbulb has an area of 3.001 × 10–6 m6. The bulb operates at a power of 10.0 W. Take the emissivity of the filament to be 0.40. You can ignore the temperature of the environment. What is the temperature of the filament?

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