An incandescent bulb utilizes a filament with a room temperature (20 °C) resistance of 30 J After it is turned on, it re
Posted: Fri May 06, 2022 6:47 am
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An incandescent bulb utilizes a filament with a room temperature (20 °C) resistance of 30 J After it is turned on, it reaches an operating temperature of 3120º C and has a resistance value of 150 What is the temperature coefficient of the material used for the filament? (Assume NO thermal expansion of the material
0.0013 (per degree Celsius) 0.07 (per degree Celsius) 0.038 (per degree Celsius) 26 (per degree Celsius) 0.25 (per degree Celsius)
An incandescent bulb utilizes a filament with a room temperature (20 °C) resistance of 30 J After it is turned on, it reaches an operating temperature of 3120º C and has a resistance value of 150 What is the temperature coefficient of the material used for the filament? (Assume NO thermal expansion of the material
0.0013 (per degree Celsius) 0.07 (per degree Celsius) 0.038 (per degree Celsius) 26 (per degree Celsius) 0.25 (per degree Celsius)