EE 436 Physics of Transistors G. Tuttle

Drift current practice problems
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A piece of silicon is n-type with a uniform donor doping concentration of ND = 8.0e+17 cm-3.
The electron mobility is μn = 269 cm2/Vs.

What are the conductivity and resistivity of this silicon?

A resistor is made using this silicon. The resistor's dimensions are W = 40 μm, L = 80 μm, t = 2 μm.

What is the resistance of the resistor?