An experiment is undertaken to determine the thermal conductivity of an unknown material. The material is 5 cm thick and has a diameter of 15 cm. It is placed on a hot plate of equal diameter where the surfaces temperature is maintain at 60oC. The outer surface temperature is 24oC, and the power used by the hot plate is 45 W. Determine the thermal conductivity of material.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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An experiment is undertaken to determine the thermal conductivity of an unknown material. The material is 5 cm thick and has a diameter of 15 cm. It is placed on a hot plate of equal diameter where the surfaces temperature is maintain at 60oC. The outer surface temperature is 24oC, and the power used by the hot plate is 45 W. Determine the thermal conductivity of material.

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