The tungsten filament of a certain 100 w light bulb


The tungsten filament of a certain 100 W light bulb radiates 4.00 W of light. (The other 96 W is carried away by convection and conduction.) The filament has surface area of 0.250mm2 and an emissivity of 0.950. Find the filament's temperature. (The melting point of tungsten is 3683 K.)

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Physics: The tungsten filament of a certain 100 w light bulb
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