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What type of material is obtained when an intrinsic semiconductor is doped with pentavalent impurity?

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What type of material is obtained when an intrinsic semiconductor is doped with pentavalent impurity?

(a) N-type semiconductor

(b) Extrinsic semiconductor

(c) P-type semiconductor

(d) Insulator

I have been asked this question by my college professor while I was bunking the class.

This key question is from Properties of Semiconductors in chapter Semiconductors of Engineering Physics II

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Correct option is (a) N-type semiconductor

Explanation: N-type semiconductor is obtained by doping an intrinsic semiconductor with pentavalent impurity atoms.

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