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The conductivity of a semiconductor crystal due to any current carrier is NOT proportional to:
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- mobility of the carrier
- effective density of states in the conduction band
- electronic charge
- surface states in the semiconductor
Correct Option: D
Conductivity of a semiconductor is given by relation
σ = n q µ
where σ = conductivity of semiconductor material
n = no. of change carriers (electrons) or effective density of states in the conduction band
q = electronic charge µ = mobility of the carrier.
