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 ND = 6.0e+18 cm-3.
The electron mobility is μn = 82 cm2/V·s.
What are the conductivity and resistivity of this silicon?
You would like to make rectangular resistor with value R = 3.9 kΩ in this silicon.
The resistor's length is L = 0.7 mm and the thickness is t = 3 μm.
What width should the resistor have?