MSE Problem Set 2 2011 [Ch 2 TCR Mix]

MSE Problem Set 2 2011 [Ch 2 TCR Mix] - Dept. of Materials...

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MSE 310-ECE 340 Dept. of Materials Science & Engineering Electrical Properties of Materials Fall 2011/Bill Knowlton 1 Table 1: Resistivity Data for Aluminum Temperature (°C) Resistivity ( μΩ cm) 20 2.67 27 2.733 100 3.55 127 3.87 200 4.78 227 4.99 300 6.99 3.27 6.13 400 7.3 427 8.7 From Smithells Metals Reference Book 8th Edition Section 14-3 Problem Set 2 1. The electrons in a certain material have the following properties: drift velocity is 10 3 m/s, the mobility is 40 2 cm Vs and the mean thermal energy is 10 meV. Determine the following additional properties of the electrons. Assume the Drude model. a. Determine the electric field experienced by the electrons b. Determine the temperature of electrons. c. Determine the mean time between electron collisions in units of seconds. d. Determine the diffusivity of the electrons in units of cm 2 /s. e. Assume the certain material in this problem is Cu. Determine the conductivity for Cu in units of (ohm cm) -1 . f.
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This note was uploaded on 10/16/2011 for the course ENGINEERIN MSE 310 taught by Professor Billknowlton during the Spring '10 term at Boise State.

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MSE Problem Set 2 2011 [Ch 2 TCR Mix] - Dept. of Materials...

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