_______ are the minority mobile charge carriers in a p-type semiconductorQuestion 1Answeranionsprotonscationselectronsholes
Question
_______ are the minority mobile charge carriers in a p-type semiconductor
Question 1
Answer
- anions
- protons
- cations
- electrons
- holes
Solution
In a p-type semiconductor, the majority charge carriers are holes, while the minority charge carriers are electrons.
Explanation:
-
Charge Carriers in Semiconductors:
- In a p-type semiconductor, the material is doped with elements that have fewer valence electrons than the semiconductor itself (typically silicon).
- This results in the creation of "holes," which are essentially the absence of electrons and act as positive charge carriers.
-
Minority vs. Majority Carriers:
- Holes are the majority carriers because they are more abundant due to the p-type doping.
- Electrons, which are the charge carriers that originate from the thermal excitation of the electrons in the valence band, are the minority carriers in a p-type material.
Final Answer:
Electrons are the minority mobile charge carriers in a p-type semiconductor.
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