EOC_Solution_28_27 - 28.27 Solve(a Since J = E and J = I A...

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28.27. Solve: (a) Since and JE J I A == σ , the electric field is E I A I r = × () × −− σπ π 2 3 2 71 1 3 025 10 62 10 164 10 0.020 A m m ±N/C .. . (b) Since the current density is related to v d by J I A nev d , the drift speed is v I rn e d 0.020 A m C × × × 2 3 2 28 3 19 0 25 10 5 8 10 1 60 10 . 110 10
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This note was uploaded on 03/14/2009 for the course PHY PHYA22 taught by Professor Abbas during the Spring '09 term at University of Toronto.

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