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_______ 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
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Solution

In a p-type semiconductor, the majority charge carriers are holes, while the minority charge carriers are electrons.

Explanation:

  1. 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.
  2. 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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