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Determirye the surface temperature of the chips in °C.

Determirye the surface temperature of the chips in °C.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Required information A 14-cm x 20-cm circuit board houses on its surface 100 closely spaced logic chips, each dissipating 0.06 W in the environmentat 40°C. The heat transfer from the back surface of the board is negligible. If the heat transfer coefficient on the surface of the board is 10 W/m2.K, Determire the surface temperature of the chips in °C. (Round the final answer to two decimal places.
Transcribed Image Text:Required information A 14-cm x 20-cm circuit board houses on its surface 100 closely spaced logic chips, each dissipating 0.06 W in the environmentat 40°C. The heat transfer from the back surface of the board is negligible. If the heat transfer coefficient on the surface of the board is 10 W/m2.K, Determire the surface temperature of the chips in °C. (Round the final answer to two decimal places.
Expert Solution
Step 1

assuming steady state conditions we know hat 

 heat generated = heat released

heat generated = 100 x 0.06 W = 6 W

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