Mobility of electrons in a semiconductor is defined as the ratio drift velocity to the applied electric field. If, for an n-type semiconductor, the density of electrons is 
and their mobility is 
/(V.s) then the resistivity of the semiconductor (since it is an n-type semiconductor contribution of holes is ignored) is close to:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
As we know, current density,
or 
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