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HW _2 P2213 S10

# HW _2 P2213 S10 - Physics 2213 Read Homework#2 Spring 2010...

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Physics 2213 Homework #2 Spring 2010 Read: Chapter 21, sections 21.5, 6 Chapter 22, intro., sections 22.1 thru 22.4 Handouts: Electric Field Line Model, Gauss' Law Basic Ideas: Electric Field Lines & the Electric Field Line Model Electric Field, Electric Flux, & Gauss' Law Superposition Principle for Electric Fields Math Skills: Geometry, Trigonometry, & Symmetry Principles Integration to find net electric fields Surface Integrals & Flux of a Vector Field Learning Goals: (Be sure you understand where and how each goal applies to our homework, discussion, lecture, and lab activities.) * Distinguish between electric field lines and electric field vectors, and show how they are related through the Electric Field Line Model. * Sketch and describe the electric field line geometry for these charge distributions: point charge (+ or -), electric dipole (+ - pair), 2 like charges (++ or - -), sphere of charge, long line of charge, long cylinder of charge, flat sheet of charge. * Use symmetry properties of electric charge distributions to deduce properties of their electric fields, such as field directions or places where the field is zero. * Use Gauss' Law to determine the strengths of electric fields in charge systems of sufficiently high symmetry — spherical, cylindrical, and planar. * Apply the Superposition Principle for electric fields. * Conceptually translate an equation for an electric field as a function of position into a graph. * Determine asymptotic limiting forms for electric fields as functions of position at small and large distances from electric charge distributions, and interpret these forms physically. * Show that algebraic and numerical results have correct units and are physically reasonable. For extra practice: Chap. 21: E's & P's: #21.62, 90, 91, 99, 107 (not quizzed or collected) Chap. 22: Q's #Q22.1-6, 9; E's & P's #22.1, 5, 7, 8, 11, 13, 49, 63 To be prepared for a Quiz on Wednesday-Friday, Feb. 10-12, at your 2nd weekly Discussion session and your notes written up & handed in at the start of that session: #21.57 [Two Charge Sheets] Use the Superposition Principle along with the results for the electric field due to a single large flat sheet of charge as deduced by Gauss' Law.

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HW _2 P2213 S10 - Physics 2213 Read Homework#2 Spring 2010...

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