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You are working with a semiconductor a) Write an expression for the conductivity of this semiconductor if it has an equal concentration of holes and electrons but the mobility of the electrons is twice that of the holes. b) What is the probability of an electron being at an energy of kT above the Fermi energy? c) Calculate the probability of an electron being at an energy of kT below the Fermi energy?
1 draw a mohrs circle diagram properly labeled for the following plane stress statesigmax -8 mpasigmay 7 mpatauxy 6
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