Drift current practice problems
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Read the Drift current class notes.

A piece of silicon is n-type with a uniform donor doping concentration of N_N = 7.0e+15 cm^-3.
The electron mobility is μ_n = 1.24e+3 cm²/V·s.
What are the conductivity and resistivity of this silicon?

A rectangular resistor is made in this silicon.
The resistor dimension are: W = 70 μm, L = 5.6 mm, t = 35 μm.
What is the resistance of the resistor?

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