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Posted: **Mon May 09, 2022 6:56 pm**

: An Incandescent Bulb Utilizes A Filament With A Room Temperature 20 C Resistance Of 30 12 0 After It Is Turned On I 1 (86.58 KiB) Viewed 19 times

: An Incandescent Bulb Utilizes A Filament With A Room Temperature 20 C Resistance Of 30 12 0 After It Is Turned On I 2 (55.28 KiB) Viewed 19 times

An incandescent bulb utilizes a filament with a room temperature (20 °C) resistance of 30 12. 0 After it is turned on, it reaches an operating temperature of 3120 ° C and has a resistance value of 150 12. What is the temperature coefficient of the material used for the filament? (Assume NO thermal expansion of the material)
O 0.25 (per degree Celsius) O 26 (per degree Celsius) O 0.07 (per degree Celsius) O 0.038 (per degree Celsius) O 0.0013 (per degree Celsius)