The number of holes in an intrinsic semiconductor
PHYSICS
JAMB 2023
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
Correct Answer: C. is equal to the number of free electrons
Explanation
An intrinsic semiconductor, also called an undoped semiconductor, is a pure semiconductor. In intrinsic semiconductors the number of excited electrons and the number of holes are equal: n = p
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