Drift current practice problems
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A piece of silicon is p-type with a uniform donor doping concentration of N_A = 5.0e+17 cm^-3.
The hole mobility is μ_p = 137 cm²/Vs.

What are the conductivity and resistivity of this silicon?

A resistor is made using this silicon. The resistor's dimensions are W = 5 μm, L = 70 μm, t = 4 μm.

What is the resistance of the resistor?

Answer