JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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{n_e}

and

{n_h}

are the number of electrons and holes in a semiconductor heavily doped with phosphorus, then

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Correct option: A

{n_e} > > {n_h}

Option A (

{n_e} > > {n_h}

) is correct because phosphorus is a pentavalent impurity, making the semiconductor n-type with a much higher concentration of electrons than holes.

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