PH01_Mapping Electric Fields_rev

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Old Dominion University *

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232N

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Physics

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Dec 6, 2023

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pdf

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4

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Old Dominion University PHYS 112 & PHYS 227/232/262 Lab Manual 1 OLD DOMINION UNIVERSITY PHYS 112 PHYS 227/232/262 PH01 – MAPPING ELECTRIC FIELDS Submitted By: 1. Farouk Omotosho 2. Philip Froicu 3. Gabriel Bowers Submitted on Date 09/12/2023 Lab Instructor Daniel Barton
2 Experiment PH01: Mapping Electric Fields Introduction In this experiment we are studying the relationship between the voltage, potential and the electrical fields that arise from the conductors that construct a surface. To study this relationship, we first used some copper tape to make a circle, parallel lines, and two dots on three separate pieces of conductive paper. Then we sent voltage through the copper tape using a voltmeter, which would be onto the paper. Using a power supply and test leads, we first determined how the potential changed across the conductive paper. By using the voltmeter we were able to determine where specific values of charge occurred and then used the test leads to find equipotential contour lines. And the differing locations of those lines also represented the difference in electrical potential between the charge values. The electric fields made by the copper tape were shown by drawing the lines of the electric field as perpendicular to the equipotential surface with colored pencils on a xy-plane, following the direction of the steepest drop-off of potential. Data Analysis The purpose of this experiment was to create a visual representation of the electric field by using copper tape and conductive paper. The lab was performed with test leads and a voltmeter. By using these two tools it was possible to create a diagram that roughly showed the changing magnitude of the electric field at different points on the conductive paper. Part A: Point Charge
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