Q2Silver wire with cross section area 0.923mm? the resistivity = 10.49g/cm³ and the molar mass M=107.9g/mol, if the current pass though the wire is 0.123mA, calculate : 1.The electron density 2.The current density 3.Drift speed (va=1.42*10* m/s) (n=5.855*1028 e/m³) (j=133.26A/m?)

Q2Silver wire with cross section area 0.923mm? the resistivity = 10.49g/cm³ and the molar mass M=107.9g/mol, if the current pass though the wire is 0.123mA, calculate : 1.The electron density 2.The current density 3.Drift speed (va=1.4210 m/s) (n=5.855*1028 e/m³) (j=133.26A/m?)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 81CP: A 10-gauge copper wire has a cross-sectional area A=5.26mm2 and carries a current of I=5.00A . The...

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Question

Q2Silver wire with cross section area 0.923mm2
, the resistivity = 10.49g/cm³ and the molar mass
M=107.9g/mol, if the current pass though the
wire is 0.123mA, calculate :
1.The electron density
2.The current density (j=133.26A/m2)
3.Drift speed (va=1.42*108 m/s)
(n=5.855*1028 e/m³)

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