lect13_handout - 1 Physics 202 Lecture 13 Today’s Topics...

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Unformatted text preview: 1 Physics 202, Lecture 13 Today’s Topics ¡ Sources of the Magnetic Field (Ch 30) ¡ Overview of Sources for Electric and Magnetic Fields ¡ Magnetic Field Generated By Current ¡ The Biot-Savart Law ¢ Gauss’s Law In Magnetism ¢ The Ampere’s Law ¡ Magnetic field around straight current. ¡ Preview: Ch 30.1-3 Sources of E and B Fields: An overview £ Sources for the electric field: ¢ Electric charges (Coulomb's Law, static) Æ subjects of past several weeks ¢ Change of B field (Faraday's Law, varying in time) Æ Thursday £ Sources for the magnetic field: ¢ Electric current (Biot-Savart Law/Ampere’s Law) Æ today ¢ Change of E field (Ampere-Maxwell Law) Æ today Î All these features are summarized in Maxwell Equations. Demo: Oersted’s Effect Another Right Hand Rule Quick Quiz: Magnetic Field And Current £ Which figure represents the B field generated by the current I . x x x x x x x x x x x x x x x x x x x x x x x x . . . . . . ....
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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 University of Wisconsin.

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lect13_handout - 1 Physics 202 Lecture 13 Today’s Topics...

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