The graph below represents the relationship between the resistance and the length of a of a cross-section area A= 1.22 x 107 m2. Depending on the graph, the resistivity (in Q.m) the wire's material is:

The graph below represents the relationship between the resistance and the length of a of a cross-section area A= 1.22 x 107 m2. Depending on the graph, the resistivity (in Q.m) the wire's material is:

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

The graph below represents the relationship between the resistance and the length of a wire
of a cross-section area A= 1.22 x 107 m2. Depending on the graph, the resistivity (in Q.m) of
the wire's material is:
R(Q)
7.
L(m)
2.5
5.0
Select one:
O a. 2.85 x 107
O b.1.95 x 107
O c. 2.22 x 10-7
O d. 2.08 x 107
Clear u.choic

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