5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the resistivity of thematerial is 1.756 x 10-8 ohm-meters.6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistanceof 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?7. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at 20° C. What isthe resistivity of the copper at this temperature?8. A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What is the lengthof the carbon wire?

Given data: Length (L) = 2 m Diameter (D) = 8 mm = 8×10-3 m Resistivity (ρ) = 1.756×10-8 Ω.m…

Answered: 5. Compute the resistance of a hardened…

5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters.

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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Question

5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the resistivity of the
material is 1.756 x 10-8 ohm-meters.
6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance
of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?
7. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at 20° C. What is
the resistivity of the copper at this temperature?
8. A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What is the length
of the carbon wire?

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