Holes are charge carriers in

Holes are charge carrier in

An extrinsic semiconductor has the concentration of holes as charge carriers 5 xx10^(20) "m"^(-3) . The electron concentration is negligible as compared to hole concentration . If mobility of holes is 0.05 "m"^(2)."V"^(-1).s^(-1) then find the conductivity (in mho. "m"^(-1) ) of the semiconductor ?

What are the charge carriers in electrolytes

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Statement-1 : A p-type semiconductor has ney positive charge on it. Statement-2 : Holes are majority carriers in it.