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Unformatted text preview: Amperes Law I B d l = I We must generalize this equation. p. Paths and surfaces I Two surfaces border on the closed path. The same current flows through both surfaces. p. Paths and surfaces II Two surfaces border on the closed path, and different currents flow through them. p. 1 Amperes Law final form I B d l = I + I E t d A p. 1 Amperes Law inside C Apply Amperes Law to a circle of radius r . The time dependent E field (displacement current) causes a B field. p. 1 Maxwells equations I E d A = Q I B d A = 0 I E d l =I B t d A I B d l = I + I E t d A p. 1...
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This note was uploaded on 02/29/2008 for the course PHYSICS 21 taught by Professor Hickman during the Spring '08 term at Lehigh University .
 Spring '08
 Hickman
 Inductance

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