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C the average distance over which charge

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Unformatted text preview: ge distance between ionized impurity scattering events. c) The average distance over which charge perturbations decay to zero. d) The length of the depletion region around an ionized impurity. e) The length of the accumulation region around an ionized impurity. 3) How does the II momentum relaxation time vary with energy? a) As ( E ! EC ) . 1/ 2 b) As ( E ! EC ) . 3/ 2 c) As ( E ! EC ) . 0 d) As ( E ! EC ) e) As ( E ! EC ) !1/ 2 !3/ 2 . . continued on next page 1 4)...
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