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1

A semiconductor is formed by?

  • A. co-ordinate bonds
  • B. electrovalent bonds
  • C. a substance free of bonds
  • D. covalent bonds
View Answer & Discuss (1) JAMB 2022
2

The number of holes in an intrinsic semiconductor

  • A. is not equal to the number of free electrons
  • B. is greater than the number of free electrons
  • C. is equal to the number of free electrons
  • D. is less than the number of free electrons
View Answer & Discuss (4) JAMB 2023
3

The process of adding impurities to a semiconductor material to increase its conductivity is 

  • A. Rectification
  • B. Emission
  • C. Doping
  • D. Stabilization
View Answer & Discuss JAMB 2024
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4

Which of the following materials has a very large energy gap band?

  • A. Conductor
  • B. Insulator
  • C. Semiconductor
  • D. Intrinsic semiconductor
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