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Questions and Answers
Which type of material is a semiconductor that has added trivalent impurities?
Which type of material is a semiconductor that has added trivalent impurities?
- Intrinsic material
- N-type material
- Pentavalent material
- P-type material (correct)
What is the characteristic of a trivalent element?
What is the characteristic of a trivalent element?
- It is a good conductor
- It acts as a majority carrier
- It has four valence electrons
- It has three valence electrons (correct)
Which element is mentioned as a pentavalent atom in the text?
Which element is mentioned as a pentavalent atom in the text?
- Boron (B)
- Silicon (Si)
- Arsenic (As)
- Antimony (Sb) (correct)
What does the process of doping involve in semiconductors?
What does the process of doping involve in semiconductors?
In which type of material do the conduction-band electrons outnumber the valence band holes?
In which type of material do the conduction-band electrons outnumber the valence band holes?
What is the role of valence-band holes in the material described?
What is the role of valence-band holes in the material described?
What happens when an electron crosses the junction into the P-type material?
What happens when an electron crosses the junction into the P-type material?
What is the purpose of applying a potential to a P-N junction in reverse bias?
What is the purpose of applying a potential to a P-N junction in reverse bias?
In which bias condition does a P-N junction act as a one-way conductor?
In which bias condition does a P-N junction act as a one-way conductor?
What effect does forward bias have on the resistance of a P-N junction?
What effect does forward bias have on the resistance of a P-N junction?
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