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Questions and Answers
What happens to the electrons in the valence band of a semiconductor when energy is supplied?
What happens to the electrons in the valence band of a semiconductor when energy is supplied?
- They jump to the conduction band (correct)
- They move to the insulator band
- They stay in the valence band
- They disappear
What happens to the conductivity of a semiconductor as temperature increases?
What happens to the conductivity of a semiconductor as temperature increases?
- It remains constant
- It decreases
- It becomes zero
- It increases (correct)
What is the characteristic of the forbidden energy band gap in semiconductors?
What is the characteristic of the forbidden energy band gap in semiconductors?
- It is non-existent
- It is constant
- It is very large
- It is very small (correct)
What is the state of the valence band in semiconductors at 0K?
What is the state of the valence band in semiconductors at 0K?
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What is the state of the conduction band in semiconductors at 0K?
What is the state of the conduction band in semiconductors at 0K?
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