Let np and ne be the numbers of holes and conduction electrons in an extrinsic semiconductor.

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KollegeApply · Accepted Answer

np $\neq$ ne Extrinsic semiconductors are formed by doping either an n-type material or a p-type material with a pure semiconductor, Thus, it may have more number of holes (if the doping material is of p type) or more number of electrons (if the doping material is of ntype).

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