Question: Suppose an intrinsic semiconductor has 1 billion free electrons at room temperature. If the temperature changes to 75’C, how many holes are there?
Answer:
MCQ: Suppose an intrinsic semiconductor has 1 billion free electrons at room temperature. If the temperature changes to 75’C, how many holes are there?
Correct Answer:
A. Fewer than 1 billion
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Related Questions
- 1. An external voltage source is applied to a p-type semiconductor. If the left end of the crystal is positive, which way do the majority carriers flow?
- 2. Which of the following doesn’t fit in the group?
- 3. Which of the following is approximately equal to room temperature?
- 4. How many electrons are there in the valence orbit of a silicon atom within a crystal?
- 5. Positive ions are atoms that have
- 6. Which of the following describes an n-type semiconductor?
- 7. A p-type semiconductor contains holes and
- 8. Which of the following describes a p-type semiconductor?
- 9. Which of the following cannot move?
- 10. What causes the depletion layer?
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