A common flashlight bulb is rated at 0.25 A and 2.5 V (the values of the current and voltage under operating conditions). If the resistance of the bulb filament at room temperature (20°C) is 1.5 02, what is the temperature of the filament when the bulb is on? The temperature coefficient of resistivity is 5.3 x 103 K¹ for the filament material. Number Units
A common flashlight bulb is rated at 0.25 A and 2.5 V (the values of the current and voltage under operating conditions). If the resistance of the bulb filament at room temperature (20°C) is 1.5 02, what is the temperature of the filament when the bulb is on? The temperature coefficient of resistivity is 5.3 x 103 K¹ for the filament material. Number Units
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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