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Questions and Answers
What is the p region of a diode called?
What is the p region of a diode called?
- Conduction band
- Anode (correct)
- Depletion region
- Cathode
Which impurities are present in the p-type material of a diode?
Which impurities are present in the p-type material of a diode?
- Trivalent (correct)
- Tetravalent
- Pentavalent
- Hexavalent
Where do the free electrons from the n region diffuse in a diode?
Where do the free electrons from the n region diffuse in a diode?
- Conduction band of n region (correct)
- Valence band
- P region
- Depletion region
What is the junction between the p and n regions of a diode called?
What is the junction between the p and n regions of a diode called?
What are the energy levels of the valence and conduction bands in an n-type material compared to a p-type material?
What are the energy levels of the valence and conduction bands in an n-type material compared to a p-type material?
What does the depletion region in a diode separate?
What does the depletion region in a diode separate?
What happens to the energy level of the n-region conduction band during the formation of the depletion region?
What happens to the energy level of the n-region conduction band during the formation of the depletion region?
What is the condition for forward bias to allow current through the pn junction?
What is the condition for forward bias to allow current through the pn junction?
What effect does forward bias have on the depletion region?
What effect does forward bias have on the depletion region?
What happens to the valence band energy level when the energy level of the n-region conduction band shifts downward?
What happens to the valence band energy level when the energy level of the n-region conduction band shifts downward?
What do valence electrons in the p region do when subjected to forward bias?
What do valence electrons in the p region do when subjected to forward bias?
What are the majority carriers in the p region during forward bias?
What are the majority carriers in the p region during forward bias?
What is the second requirement for allowing current through the pn junction under forward bias?
What is the second requirement for allowing current through the pn junction under forward bias?
What happens to the number of positive and negative ions during forward bias?
What happens to the number of positive and negative ions during forward bias?
What does forward bias allow through the pn junction?
What does forward bias allow through the pn junction?
What acts as an 'energy hill' that an n-region electron must climb in order to get to the p-region during equilibrium at the pn junction?
What acts as an 'energy hill' that an n-region electron must climb in order to get to the p-region during equilibrium at the pn junction?
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