1. Two cylindrical bars, each with diameter of 2.20 cm, are welded together end to end. One of the original bars is copper and is 0.380 m long. The other bar is iron and is 0.190 m long. What is the resistance between the ends of the welded bar at 20°C?(The resistivity of copper and iron can be obtained from the textbook)

1. Two cylindrical bars, each with diameter of 2.20 cm, are welded together end to end. One of the original bars is copper and is 0.380 m long. The other bar is iron and is 0.190 m long. What is the resistance between the ends of the welded bar at 20°C?(The resistivity of copper and iron can be obtained from the textbook)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 71AP: A nichrome rod that is 3.00 mm long with a cross sectional area of 1.00 mm2 is used for a digital...

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