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20°C. Determine the maximum electric current, in A, that can be carried by tin. Calculate the corresponding minimum wire temperatures, each in K. Th d aluminum at their melting points, while the electrical resistivity of tin is pe

20°C. Determine the maximum electric current, in A, that can be carried by tin. Calculate the corresponding minimum wire temperatures, each in K. Th d aluminum at their melting points, while the electrical resistivity of tin is pe

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Parvinbhai 

An uncoated, solid cable of length L = 1 m and diameter D= 44 mm is exposed to convection conditions characterized by h = 55 W/m².K and T = 20°C. Determine the maximum electric current, in A, that can be carried by the cable if it is pure copper, pure aluminum, or pure tin. Calculate the corresponding minimum wire temperatures, each in K. The electrical resistivity is p = 10× 10-8 Om for copper and aluminum at their melting points, while the electrical resistivity of tin is pe = 20 x 10-8 Q-m at its melting point. Wire Material Copper Aluminum Tin Max Current (A) 11095.67 8607.79 i 9654.5 i i Min Temperature (K)
Transcribed Image Text:An uncoated, solid cable of length L = 1 m and diameter D= 44 mm is exposed to convection conditions characterized by h = 55 W/m².K and T = 20°C. Determine the maximum electric current, in A, that can be carried by the cable if it is pure copper, pure aluminum, or pure tin. Calculate the corresponding minimum wire temperatures, each in K. The electrical resistivity is p = 10× 10-8 Om for copper and aluminum at their melting points, while the electrical resistivity of tin is pe = 20 x 10-8 Q-m at its melting point. Wire Material Copper Aluminum Tin Max Current (A) 11095.67 8607.79 i 9654.5 i i Min Temperature (K)
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