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Solving a problem in physics section 18 paragraph 70 qu
Sold: 6
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Uploaded: 30.03.2014
Content: fiz018_70.doc 28 kB
Refunds: 0
Uploaded: 30.03.2014
Content: fiz018_70.doc 28 kB
Product description
70. Find the power P of electric current supplied to the tungsten filament diameter d = 0,5 mm and a length ℓ = 20 cm in order to maintain its temperature 3000 K is that the heat lost by radiation only. Ambient temperature 1000 K. The coefficient of thermal emission 0,3 tungsten.
Additional information
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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