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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
In an electric furnace used for refining steel, the temperature is monitored by measuring the radiant power emitted through a small hole in the wall of the furnace, of area 0.5 cm2.  This hole acts like a perfect blackbody radiator having the same temperature as the interior of the furnace.  If the temperature of the furnace (and therefore of the hole) is to be maintained at 1650°C, how much power will the hole radiate?
A) 20 W
B) 30 W
C) 40 W
D) 50 W
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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7 years ago
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Chery Author
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#2
7 years ago
I needed this so much, thanks
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#3
3 years ago
Thank you kindly
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#4
3 years ago
Thanks!
LJ1
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#5
3 years ago
thanks!
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#6
3 years ago
thanks.
Anonymous
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#7
6 months ago
Help! The answer is missing an explanation...
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