ch25_p55 - N = 3.0 x 10-6 C 1.6 x 10-19 C 1.9 10 13 . Using...

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55. (a) The number of (conduction) electrons per cubic meter is n = 8.49 × 10 28 m 3 . The volume in question is the face area multiplied by the depth: A·d . The total number of electrons which have moved to the face is
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Unformatted text preview: N = 3.0 x 10-6 C 1.6 x 10-19 C 1.9 10 13 . Using the relation N = nAd , we obtain d = 1.1 10 12 m, a remarkably small distance!...
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