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

1. Electrons are minority carriers and pentavalent atoms are dopants.
2. Holes are minority carriers and pentavalent atoms are dopants.
3. Holes are majority carriers and trivalent atoms are dopants.
4. Electrons are majority carriers and trivalent atoms are dopants.

Correct answer: Holes are minority carriers and pentavalent atoms are dopants.

Solution

In an n-type semiconductor, pentavalent atoms (donors) are used as dopants, and electrons are the majority carriers, while holes are the minority carriers.

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