The tungsten filament of a certain 100-W lightbulbradiates 2.00 W of light. (The other
Chapter 20, Problem 47(choose chapter or problem)
The tungsten filament of a certain 100-W lightbulbradiates 2.00 W of light. (The other 98 W is carriedaway by convection and conduction.) The filament hasa surface area of 0.250 mm2 and an emissivity of 0.950.Find the filaments temperature. (The melting point oftungsten is 3 683 K.)
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