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Physics, 18.01.2021 14:00 reneewilliams20
The tungsten filament of an electric lamp has a length of 0.5 m and a diameter
6x10m. The power rating of the lamp is 60 W. Assuming the radiation from the
filament is equivalent to 80%
that of a perfect black body radiator at the same
temperature, estimate the steady temperature of the filament.
(Stefan constant -5.7x10 %WmrK')
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The tungsten filament of an electric lamp has a length of 0.5 m and a diameter
6x10m. The power rat...
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