lec05_PyrakNolte - 1/23/12 From Lecture #1: Conductors...

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1/23/12 1 1/23/12 1 From Lecture #1: Conductors versus Insulators • Insulators: material in which electric charges are “frozen” in place. • Conductors: material in which electric charges can move around “freely. 1/23/12 2 Conductors If an excess charge is placed on an isolated conductor, that amount of charge will move entirely to the surface of the conductor. None of the excess charge will be found within the body of the conductor. 1/23/12 3 Conductors Isolator Conductor with a Cavity 1/23/12 4 Conductors: Shielding from an Electrical Field Electric field lines for an oppositely charged metal cylinder and metal plate. Note that: 1. Electric field lines are perpendicular to the conductors. 2. There are no electric field lines inside the cylinder.
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1/23/12 2 1/23/12 5 Conductors: Shielding from an Electrical Field student sensor screened cage sparks Van de Graaff generator 1/23/12 6 Conductors: External Electric Field 1/23/12 7 Planar Symmetry: Infinite Sheet of Charge Non-Conducting Sheet
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This note was uploaded on 02/05/2012 for the course PHYS 241 taught by Professor Wei during the Spring '08 term at Purdue University-West Lafayette.

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lec05_PyrakNolte - 1/23/12 From Lecture #1: Conductors...

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