Physics, 21.05.2021 09:50 zahrast14

The filament of a light bulb has a temperature of 2.5 x 103 °C and radiates 60 W of power. The emissivity of the filament is 0.69. Determine the filament's surface area.

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The filament of a light bulb has a temperature of 2.5 x 103 °C and radiates 60 W of power. The emiss...

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