A common flashlight bulb is rated at 0.30 A and 2.9 V (the values of the current
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A common flashlight bulb is rated at 0.30 A and 2.9 V (the values of the current and voltage under operating conditions). If the resistance of the tungsten bulb filament at room temperature (20°C) is 1.1Ω, what is the temperature of the filament when the bulb is on?
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The resistance at operating temperature T is R Vi 29 V030 A 967 Q Th...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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