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Week5 (dragged) 65

Week5 (dragged) 65 - and we can write an expression for the...

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! Current density: current flowing through unit area ! The current flowing through the surface is … where is the differential area element perpendicular to the surface ! If the current is constant and perpendicular to the surface, then
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Unformatted text preview: and we can write an expression for the magnitude of the current density September 07, 2010 University Physics, Chapter 25 22 Current Density i = J · d A reminds you something? Flux! Thursday, September 23, 2010...
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