JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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The

n

-type semiconductors are obtained, when germanium is doped with

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Correct option: D

Any one of these

Option D (Any one of these) is correct because Arsenic, Phosphorus, and Antimony are all pentavalent impurities that can be used to dope germanium to create an n-type semiconductor.

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A PN-junction has a thickness of the order of In a

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N

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P

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\mathrm{\alpha\; and\; \beta }

of a transistor