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lect5_handout - Physics 202, Lecture 5 Today's Topics More...

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1 Physics 202, Lecture 5 Today’s Topics ± More on Conductors in the Electric Field ± Battery ± Electric Potential (Ch. 25-Part II) ± Electric Potential For Various Charge Distributions ± Point charges ± Continuous charges e.g Uniform Ring, Sphere, Shell ² Expected from preview: ³ E ÅÆ V relationship, equipotential lines, electrostatic equilibrium of conductors… Conductors (Lecture 4 Review) ´ Conductors: Electrons inside are able to move freely. ´ Key points to understand conductors: ³ If there is a electric field, free electrons inside a conductor will move Æ i.e. redistribute. ³ The redistribution of electrons creates additional E. Field and eventually (~10 -16 s) reaches electrostatic Field and eventually (1 0 s) reaches electrostatic equilibrium. + − + − + − + − + − + − + − + − + − + − + − + − −+ E=0 No Field Inside Field Conductors in Electrostatic Equilibrium ´ Regardless shape : ³ The electric field is zero inside the conductor ³ All net charges reside on the surface of conductor.
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This note was uploaded on 04/25/2009 for the course PHYS 202 taught by Professor Everett during the Spring '08 term at Wisconsin.

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lect5_handout - Physics 202, Lecture 5 Today's Topics More...

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