The filament of a light bulb has a temperature of 290 103
The filament of a light bulb has a temperature of 2.90 103 °C and radiates 66 watts of power. The emissivity of the filamentis 0.35. Find the surface area of the filament.
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the filament of a light bulb has a temperature of 290 103 degc and radiates 66 watts of power the emissivity of the
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