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Q.

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

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a

Electrons are majority carriers and trivalent atoms are dopants.

b

Electrons are minority carriers and pentavalent atoms are dopants.

c

Holes are minority carriers and pentavalent atoms are dopants.

d

Holes are majority carriers and trivalent atoms are dopants.

answer is A.

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Detailed Solution

In a n-type semiconductor, electrons are the majority charge carriers and holes are the minority charge carriers, and pentavalent atoms are added as dopants so that a free electron can be produced.

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