PHY213_Introduction_Chapter15_Sec7to9

PHY213_Introduction_Chapter15_Sec7to9 - Medical Physics...

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Unformatted text preview: Medical Physics General Physics Chapter 15 Electric Forces and Electric Fields Medical Physics General Physics Gausss Law Sections 7-9 Medical Physics General Physics Millikan Oil-Drop Experiment Millikan Oil-Drop Experiment Measured the elementary charge, e Found every charge had an integral multiple of e q = n e Active Figure: The Millikan Oil-Drop Experiment Medical Physics General Physics Van de Graaff Generator An electrostatic generator designed and built by Robert J. Van de Graaff in 1929 Charge is transferred to the dome by means of a rotating belt Eventually an electrostatic discharge takes place MU28T33 Medical Physics General Physics Electric Flux Field lines penetrating an area A perpendicular to the field The product of EA is the flux, In general: E = E A cos Medical Physics General Physics Electric Flux, cont. When the area is constructed such that a closed surface is formed, use the convention that flux lines passing into the interior of the...
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PHY213_Introduction_Chapter15_Sec7to9 - Medical Physics...

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