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In doping an intrinsic semiconductor to produce a p-type semiconductor,

Physics
WAEC 2022

In doping an intrinsic semiconductor to produce a p-type semiconductor,

  • A. the semiconductor is heated up
  • B. a donor element is added
  • C. an acceptor element is added
  • D. the semiconductor is conducted to a battery
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Correct Answer: Option C
Explanation

If the dominant impurity atoms are ACCEPTOR type in the semiconductor, it will have a majority of holes over the electrons [p-type].

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts