The resistance of a 15 cm length aluminum cylinder is 2.5 x 10-5 0. If the resistivity of aluminum p = 3.0 x 10-8- m the cross-sectional area (A) of the cylinder is O a. 1.8 x 10-4 m2 Ob. 1.8 x 10-2 m2 Oc. 1.8 x 10-3 m2 Od.0.18 m2

The resistance of a 15 cm length aluminum cylinder is 2.5 x 10-5 0. If the resistivity of aluminum p = 3.0 x 10-8- m the cross-sectional area (A) of the cylinder is O a. 1.8 x 10-4 m2 Ob. 1.8 x 10-2 m2 Oc. 1.8 x 10-3 m2 Od.0.18 m2

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 resistance of a 15 cm length aluminum cylinder is 2.5 x 10-50. If the resistivity of aluminum p = 3.0 x 10-8 m the cross-sectional area (A) of the
cylinder is
%3D
a. 1.8 x 10-4 m?
O b. 1.8 x 10-2 m?
Oc. 1.8 x 10-3 m²
O d. 0.18 m2

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