Thermodynamics

Light Bulb Temperature

Problem by Herry Kwee
30 Nov 1999 00:00 WIB

A light bulb filament is constructed from 1 cm of tungsten wire of diameter 50 $$\mu$$m and is enclosed in a vacuumed glass bulb. What is the temperature reached by the filament if the bulb is operated at a power of 1 W?