Cross SectionalAreaLengthFigure 2Then the cross sectional area of the wire can be calculated using the equation of thearea of a circle:A = ar?(5)In this experiment, you will measure V and I to determine R for various lengths ofwire. You will then make a graph of Resistance (Y-axis) versus length (X-axis). The plotwill result in a straight line that has a slope equal toslope =A(6)From equation 6, it is possible to solve the resistivity in terms of the slope and thecross sectional area:p = slope * A(7)The manufacture values of the resistivity corresponding to the wires used in theexperiment are reported in Table 1. These values will be used as the theoretical whencalculating percent error.Table 1. Theoretical resistivity of different materials according to manufacturer.AttractedMaterialColorDiameter (m)Resistivity (Qm)to MagnetBrassYellowNo0.0005087.0 x10-80.0008130.0010160.001270СоpperNichromeStainlessRedNo0.0010161.8 x10-8Dark Gray NoDark Gray Yes0.001016105 x10-80.00101679 х10-8Steel Length of wire: 0.240 mCross SectionalDiameterVoltage(V)CurrentResistanceResistivityArea(m)(A)( )( )0.0005110.09011.087900.0008130.03631.096560.0010250.02311.114820.0012770.01471.10209Mean of Resistivity:Standard Deviation of Resistivity:Theoretical Resistivity:Percent Error:

Answered: Image /qna-images/answer/d0bed759-486b-4275-9b91-08cde54c752e.jpg

Length of wire: 0.240 m Cross Sectional Diameter Voltage (V) Current Resistance Resistivity Area (m) (A) ( ) ( ) 0.000511 0.0901 1.08790 0.000813 0.0363 1.09656 0.001025 0.0231 1.11482 0.001277 0.0147 1.10209 Mean of Resistivity: Standard Deviation of Resistivity: Theoretical Resistivity: Percent Error:

Length of wire: 0.240 m Cross Sectional Diameter Voltage (V) Current Resistance Resistivity Area (m) (A) ( ) ( ) 0.000511 0.0901 1.08790 0.000813 0.0363 1.09656 0.001025 0.0231 1.11482 0.001277 0.0147 1.10209 Mean of Resistivity: Standard Deviation of Resistivity: Theoretical Resistivity: Percent Error:

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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