Determine what is the power output of the light bulb

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The tungsten filament of a light bulb has an operating temperature of about 2 100 K. If the emitting area of the filament is 1.0 cm2, and its emissivity is 0.68, what is the power output of the light bulb? (? = 5.67 ? 10?8W/m2?K4)

Reference no: EM13552375

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