Conduction An aluminum rod and an iron rod of equal length 2.0 m and cross-sectional area 2 cm? are welded together in series. One end is kept at a temperature of 10 °C and the other at 50 °C. Calculate the amount of heat, in kJ, taken out after one minute from the hot end. (Thermal conductivity of aluminum is 237 W/m °C and of iron is 80.2 W/m °C. Hint: k=2k,k/(k,+k,).

Conduction An aluminum rod and an iron rod of equal length 2.0 m and cross-sectional area 2 cm? are welded together in series. One end is kept at a temperature of 10 °C and the other at 50 °C. Calculate the amount of heat, in kJ, taken out after one minute from the hot end. (Thermal conductivity of aluminum is 237 W/m °C and of iron is 80.2 W/m °C. Hint: k=2k,k/(k,+k,).

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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