What is the resistance in a wire madeof aluminum with a length of Ikmand a radius of 2 mm?1Resistivities and Temperature Coefficients of Resistivityfor Various MaterialsMaterialTemperatureCoefficient a [(°C)-¹]Resistivity (2. m)Silver1.59 X 10-83.8 x 10-3Copper1.7 X 10-83.9 X 10-⁹Gold2.44 × 10-83.4 x 10-⁹Aluminum2.82 × 10-83.9 × 10-3Tungsten5.6 x 10-84.5 X 10-3Iron10 × 10-85.0 × 10-⁹Platinum11 X 10-83.92 × 10-³Lead22 × 10-83.9 X 10-⁹Nichrome1.00 x 10-60.4 x 10-³Carbon3.5 x 10-5-0.5 × 10-3Germanium0.46-48 × 10-3Silicon2.3 × 10³-75 x 10-³Glass10¹⁰ to 1014Hard rubber-1013Sulfur1015Quartz (fused)75 X 1016

Resistance of material is given as R=ρLAρ=resistivity of a materialA= cross-section area of the…

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What is the resistance in a wire made of aluminum with a length of Ikm and a radius of 2 mm? 1

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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Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

Question

What is the resistance in a wire made
of aluminum with a length of Ikm
and a radius of 2 mm?
1
Resistivities and Temperature Coefficients of Resistivity
for Various Materials
Material
Temperature
Coefficient a [(°C)-¹]
Resistivity (2. m)
Silver
1.59 X 10-8
3.8 x 10-3
Copper
1.7 X 10-8
3.9 X 10-⁹
Gold
2.44 × 10-8
3.4 x 10-⁹
Aluminum
2.82 × 10-8
3.9 × 10-3
Tungsten
5.6 x 10-8
4.5 X 10-3
Iron
10 × 10-8
5.0 × 10-⁹
Platinum
11 X 10-8
3.92 × 10-³
Lead
22 × 10-8
3.9 X 10-⁹
Nichrome
1.00 x 10-6
0.4 x 10-³
Carbon
3.5 x 10-5
-0.5 × 10-3
Germanium
0.46
-48 × 10-3
Silicon
2.3 × 10³
-75 x 10-³
Glass
10¹⁰ to 1014
Hard rubber
-1013
Sulfur
1015
Quartz (fused)
75 X 1016

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