Content: fiz018_70.doc (28.00 KB)
Uploaded: 30.03.2014

Positive responses: 0
Negative responses: 0

Sold: 6
Refunds: 0

Seller: Massimo86
information about the seller and its items

Ask a question

Loyalty discount! If the total amount of your purchases from the seller more than:

$3 the discount is 1%
$6 the discount is 2%
$9 the discount is 3%
$12 the discount is 4%
$15 the discount is 5%
$18 the discount is 6%
$20 the discount is 7%
$30 the discount is 10%
$0.32
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.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
No feedback yet