Assuming that there are 1.5 free electrons per gold atom. The electrical conductivity and density for Au are 4.3 x 10' (0-m)* and 19.32 g/cm?, respectively. (a) Calculate the number of free electrons per cubic meter for gold (b) Compute the electron mobility for gold.

Assuming that there are 1.5 free electrons per gold atom. The electrical conductivity and density for Au are 4.3 x 10' (0-m)* and 19.32 g/cm?, respectively. (a) Calculate the number of free electrons per cubic meter for gold (b) Compute the electron mobility for gold.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section28.1: Microscopic Model Of Charge Flow

Problem 28.1CE

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Question

Assuming that there are 1.5 free electrons per gold atom. The electrical conductivity
and density for Au are 4.3 x 10' (0-m)* and 19.32 g/cm?, respectively.
(a) Calculate the number of free electrons per cubic meter for gold
(b) Compute the electron mobility for gold.

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