copper wire (resistivity of 1.68 x 10-8 m). A current of 0.15 V is passed through the wire and this causes the wire to heat up significantly. The wire has a diameter of 0.644 mm and length of 0.2 m and is located in 20 °C room air. The wire's thermal conductivity is 385 W/m. K. Finally, the convective coefficient at the surface of the wire is 15 W/m².K. For steady-state conditions, what are the temperatures at the center and surface of the wire?

copper wire (resistivity of 1.68 x 10-8 m). A current of 0.15 V is passed through the wire and this causes the wire to heat up significantly. The wire has a diameter of 0.644 mm and length of 0.2 m and is located in 20 °C room air. The wire's thermal conductivity is 385 W/m. K. Finally, the convective coefficient at the surface of the wire is 15 W/m².K. For steady-state conditions, what are the temperatures at the center and surface of the wire?

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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