Depletion region in an unbiased semiconductor | vedclass

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(B) In an unbiased $p-n$ junction diode,the diffusion of charge carriers across the junction creates a region depleted of mobile charge carriers. This

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neither free electrons nor holes

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(B) In an unbiased $p-n$ junction diode,the diffusion of charge carriers across the junction creates a region depleted of mobile charge carriers. This region is known as the depletion region. It consists of immobile ionized donor and acceptor atoms (ions) fixed in the crystal lattice. Since the mobile charge carriers (free electrons and holes) have diffused away or recombined,this region contains neither free electrons nor holes.

Depletion region in an unbiased semiconductor diode is a region consisting of

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