EE 230 Electronic Circuits & Systems G. Tuttle

Drift current practice problems
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A piece of silicon is n-type with a uniform donor doping concentration of NN = 6.0e+16 cm-3.
The electron mobility is μn = 808 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 = 20 μm, L = 0.18 mm, t = 4 μm.
What is the resistance of the resistor?

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