AIPMT 2013 Physics and Chemistry Paper

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Question : 7 of 90

Marks: +1, -0

In a n-type semiconductor, which of the following statement is true:

Holes are majority carriers and trivalent atoms are dopants.
Electrons are majority carriers and trivalent atoms are dopants.
Electron are minority carriers and pantavalent atoms are dopants
Holes are minority carriers and pentavalent atoms are dopants.

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