1.

Two black discs each of diameter 50 cm are placed parallel to each other concentrically at a distance of one meter. The discs are maintained at 1000 K and 500 K. Calculate the heat flow between the discs when the disks are connected by a cylindrical black no-flux surface

A. 2417.68 W
B. 3417.68 W
C. 4417.68 W
D. 5417.68 W
Answer» E.


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