8:58 A Dr Irfan Yesterday, 8:16 AM 858 42 B/s ASSIGNMENT 2 PHY-4850 ⚫Q1. Write the equation for the total drift current density. Is the linear relationship between drift current density and electric field always valid? Why or why not. ⚫Q2. Define electron and hole mobility. What is the unit of mobility? ⚫Q3. Explain the temperature dependence of mobility. Why is the carrier mobility a function of the ionized impurity concentrations? Q4. Define conductivity. Define resistivity. What are the units of conductivity and resistivity? •5. Sketch the drift velocity of electrons in silicon versus electric filed. Repeat for GaAs. ⚫Q6. Write the equations for the diffusion current densities of electrons and holes.
8:58 A Dr Irfan Yesterday, 8:16 AM 858 42 B/s ASSIGNMENT 2 PHY-4850 ⚫Q1. Write the equation for the total drift current density. Is the linear relationship between drift current density and electric field always valid? Why or why not. ⚫Q2. Define electron and hole mobility. What is the unit of mobility? ⚫Q3. Explain the temperature dependence of mobility. Why is the carrier mobility a function of the ionized impurity concentrations? Q4. Define conductivity. Define resistivity. What are the units of conductivity and resistivity? •5. Sketch the drift velocity of electrons in silicon versus electric filed. Repeat for GaAs. ⚫Q6. Write the equations for the diffusion current densities of electrons and holes.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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