Semiconductor Electronics Materials Devices And Simple Circuits Ques 25
25. For a p-type semiconductor, which of the following statements is true?
[2019]
(a) Electrons are the majority carriers and trivalent atoms are the dopants.
(b) Holes are the majority carriers and trivalent atoms are the dopants.
(c) Holes are the majority carriers and pentavalent atoms are the dopants.
(d) Electrons are the majority carriers and pentavalent atoms are the dopants.
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Answer:
Correct Answer: 25.(b)
Solution:
- (b) In p-type semiconductor, trivalent impurities are added to intrinsic semiconductor, which creates holes which are majority charge carriers.
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