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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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If the 0.115 mm diameter tungsten filament in a light bulb is to have a resistance of 0.132 Ω at 20.0°C, how long should it be? The resistivity of tungsten at 20.0°C is 5.60 x 10^-8 Ω·m.
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If the 0.115 mm diameter tungsten filament in a light bulb is to have a resistance of 0.132 Ω at 20.0°C, how long should it be? The resistivity of tungsten at 20.0°C is 5.60 x 10^-8 Ω·m.
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