50 µA exists in the bar. Solve for the hole concentration, electron concentration, and the voltage across the bar. TABLE OF CONSTANTS Properties Silicon Germanium Atomic Number 14 32 Atomic Weight 28.1 72.6 Density (g/cm³) 2.83 5.32 Relative Permittivity (Dielectric Constant) 11.9 16 Atoms/cm³ 5 x 10^22 4.4 x 10^22 Energy Gap, Eg. at OK (eV) 1.21 0.785 Energy Gap, Eg at 300K (eV) 1.12 0.72 Resistivity at 300K (ohm-cm) 2.3 x 10^5 45 Electron Mobility, µn at 300K (cm²/V-s) 1500 3800 Hole Mobility, u, at 300K (cm²/V-s) Intrinsic Concentration, n; at 300K (cm³) 475 1800 1.45 x 10^10 2.5 x 10^13 Electron Diffusion Constant, Dn at 300K (cm²/s) 34 99 Hole Diffusion Constant, Dp at 300K (cm²/s) 13 47 Melting Point (°C) 1415 937

50 µA exists in the bar. Solve for the hole concentration, electron concentration, and the voltage across the bar. TABLE OF CONSTANTS Properties Silicon Germanium Atomic Number 14 32 Atomic Weight 28.1 72.6 Density (g/cm³) 2.83 5.32 Relative Permittivity (Dielectric Constant) 11.9 16 Atoms/cm³ 5 x 10^22 4.4 x 10^22 Energy Gap, Eg. at OK (eV) 1.21 0.785 Energy Gap, Eg at 300K (eV) 1.12 0.72 Resistivity at 300K (ohm-cm) 2.3 x 10^5 45 Electron Mobility, µn at 300K (cm²/V-s) 1500 3800 Hole Mobility, u, at 300K (cm²/V-s) Intrinsic Concentration, n; at 300K (cm³) 475 1800 1.45 x 10^10 2.5 x 10^13 Electron Diffusion Constant, Dn at 300K (cm²/s) 34 99 Hole Diffusion Constant, Dp at 300K (cm²/s) 13 47 Melting Point (°C) 1415 937

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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