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Chapter 19: Problem 2621

In a P-type silicon, which of the following statement is true? (A) Electrons are majority charge carries and trivalent atoms are the dopants (B) Electrons are minority charge carries and pentavalent atoms are dopants (C) Holes are minority charge carries and pentavalent atoms are dopants (D) Holes are majority charge carries and trivalent atoms are dopants

Short Answer

Expert verified
In P-type silicon, holes are majority charge carriers and trivalent atoms are used as dopants. Therefore, the correct answer is (D) Holes are majority charge carries and trivalent atoms are dopants.

Step by step solution

01

Statement A

Electrons are majority charge carries and trivalent atoms are the dopants: This statement is false since P-type silicon has holes as majority charge carriers and not electrons.
02

Statement B

Electrons are minority charge carries and pentavalent atoms are dopants: This statement is false since P-type silicon is doped with trivalent atoms and not pentavalent atoms.
03

Statement C

Holes are minority charge carries and pentavalent atoms are dopants: This statement is false since P-type silicon has holes as majority charge carriers and not minority charge carriers.
04

Statement D

Holes are majority charge carries and trivalent atoms are dopants: This statement is true, as it accurately describes the characteristics of P-type silicon. Holes are the majority charge carriers, and trivalent atoms are used as dopants. The correct answer is (D) Holes are majority charge carries and trivalent atoms are dopants.

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