tsl183 - z = q 1 v 1 x B y • Force on Cl ~ F 2 = q 2 ~v 2...

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Magnetic Force on Current-Carrying Conductor Consider drift of Na + and Cl - ions in a plastic pipe filled with salt water. v 1 x > 0 , v 2 x < 0 : drift velocities; q 1 > 0 , q 2 < 0 : charge on ions n 1 , n 2 : number of charge carriers per unit volume A E + v 1 1 q - Cl - q 2 v 2 F F Na + L x 1 2 B y z Electric current through A : I = A ( n 1 q 1 v 1 x + n 2 q 2 v 2 x ) Force on Na + : ~ F 1 = q 1 ~v 1 × ~ B F 1
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Unformatted text preview: z = q 1 v 1 x B y • Force on Cl-: ~ F 2 = q 2 ~v 2 × ~ B ⇒ F 2 z = q 2 v 2 x B y • Force on current-carrying pipe: F z = ( n 1 q 1 v 1 x + n 2 q 2 v 2 x ) ALB y = ILB y • Vector relation: ~ F = I ~ L × ~ B tsl183 – p.1/1...
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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