Engineering, 21.10.2020 16:01 ilovevegene
g For the Boltzmann approximation to be valid for a semiconductor, the Fermi level must be at least 3 kT below the donor level in an n-type material and at least 3 kT above the acceptor level in a p-type material. If T 300 K, determine the maximum electron concentration in an n-type semiconductor and the maximum hole concentration in a p-type semiconductor for the Boltzmann approximation to be valid in
Answers: 1
Engineering, 04.07.2019 18:10, koolgurl2003
Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.
Answers: 1
Engineering, 04.07.2019 19:10, Mimidj9279
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
Answers: 2
Engineering, 04.07.2019 19:10, santosbeti90
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
g For the Boltzmann approximation to be valid for a semiconductor, the Fermi level must be at least...
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