Drift current practice problems
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A piece of silicon is p-type with a uniform donor doping concentration of NA = 7.0e+18 cm-3.
The hole mobility is μp = 61 cm2/Vs.
What are the conductivity and resistivity of this silicon?
A resistor with resistance R = 500 Ω will be made using this silicon.
The resistor's length is L = 20 μm and the thickness is t = 3 μm.
How wide should the resistor be?