) Given that the thermal conductivity k = 1.8 W/m.°C, and L TT kAq 1 2  Determine the heat-transfer rate (q) from an electronic chip whose surface temperature is 60°C and has an exposed surface area (A) of 50 cm2 and the thickness (L) is 18 mm. The temperature of the surrounding air is 20 °C.

) Given that the thermal conductivity k = 1.8 W/m.°C, and L TT kAq 1 2  Determine the heat-transfer rate (q) from an electronic chip whose surface temperature is 60°C and has an exposed surface area (A) of 50 cm2 and the thickness (L) is 18 mm. The temperature of the surrounding air is 20 °C.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter11: Temperature And Temperature- Related Variables In Engineering

Section: Chapter Questions

Problem 34P

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