3. Consider the following scenario: A civil engineering student measures the resistivity of a particular cylindrical wire for different lengths L by tapping at points the wire from 0.1 m to 1 m in steps of 0.1 m. The radius of the wire is 0.48 mm. The experiment is carried out under following circumstances: a) The best line has been drawn through the points given below and determine the resistivity of the wire from the slope of the plot between blue marked points. b) Based on the value of resistivity you calculated, what is the material wire resistor made of? Make sure everything is in ohms and meters, otherwise your units will not work out correctly in the end! Table 1. Resistivity of Some Common Materials. Resistivity p ( N-m) 1.59x10 1.72x10 2.44x10 Material Silver Сорper Gold Aluminum 2.65x10 Steel Lead Manganin (Cu, Mn, Ni alloy) Constantan (Cu, Ni alloy) Mercury Nichrome (Ni, Fe, Cr alloy) 2x10 22×10 4.4x10 4.9x10 9.6x10 Ix10 8- 7- 6 - 5- 3- 2 - 1- 0,0 0,2 0,4 0,6 0,8 1,0 L(m)

3. Consider the following scenario: A civil engineering student measures the resistivity of a particular cylindrical wire for different lengths L by tapping at points the wire from 0.1 m to 1 m in steps of 0.1 m. The radius of the wire is 0.48 mm. The experiment is carried out under following circumstances: a) The best line has been drawn through the points given below and determine the resistivity of the wire from the slope of the plot between blue marked points. b) Based on the value of resistivity you calculated, what is the material wire resistor made of? Make sure everything is in ohms and meters, otherwise your units will not work out correctly in the end! Table 1. Resistivity of Some Common Materials. Resistivity p ( N-m) 1.59x10 1.72x10 2.44x10 Material Silver Сорper Gold Aluminum 2.65x10 Steel Lead Manganin (Cu, Mn, Ni alloy) Constantan (Cu, Ni alloy) Mercury Nichrome (Ni, Fe, Cr alloy) 2x10 22×10 4.4x10 4.9x10 9.6x10 Ix10 8- 7- 6 - 5- 3- 2 - 1- 0,0 0,2 0,4 0,6 0,8 1,0 L(m)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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