Answered: A wire made out of a certain material…

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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A wire made out of a certain material carries a current of 7.51 A when attached to a 9.00-V battery. If the wire has a diameter of 0.500 mm and is 4.20 m long, determine the material out of which the wire is made. [Answer: ρ = 5.6 × 10−8 Ω · m, Tungsten!]

Expert Solution

Step 1

Given,

Current flowing in wire, $I = 7.51 A$

Voltage applied across wire, V=9 V

diameter of the wire, $d = 0.5 \times 10^{- 3} m$

length of wire, $L = 4.20 m$

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