Physics, 17.12.2021 04:30 sarahhtsvetkovs

The tungsten filament of a light bulb has an operating temperature of about 2100 K. If the emitting area of the filament is 78 cm2, and its emissivity is 0.65, 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 2100 K. If the emitting...