Podcast
Questions and Answers
What is the term used to describe the total current density due to drift and diffusion of electrons?
What is the term used to describe the total current density due to drift and diffusion of electrons?
- Jh = e(pμhE - Dh)
- Je = e(nμeE + De) (correct)
- Je(drift) + Je(diff)
- Je = e(pμeE + De)
What happens when N-type and P-type semiconductor materials are joined together?
What happens when N-type and P-type semiconductor materials are joined together?
- They lose their charge carriers
- They become electrically neutral
- They create a potential barrier zone (correct)
- They form a Depletion Layer
What is the name of the zone around the PN Junction that is depleted of free carriers?
What is the name of the zone around the PN Junction that is depleted of free carriers?
- Diffusion layer
- Depletion region (correct)
- Drift layer
- Potential barrier zone
What happens to the free charge carriers when a potential barrier is created around the PN Junction?
What happens to the free charge carriers when a potential barrier is created around the PN Junction?
What do donor atoms do in a PN Junction?
What do donor atoms do in a PN Junction?
How do N-type and P-type semiconductor materials behave when fused together?
How do N-type and P-type semiconductor materials behave when fused together?
What happens to the electric field in a P-N junction under forward biasing?
What happens to the electric field in a P-N junction under forward biasing?
How does the barrier energy change in a P-N junction under forward biasing?
How does the barrier energy change in a P-N junction under forward biasing?
What effect does forward bias have on the flow of majority charge carriers in a P-N junction?
What effect does forward bias have on the flow of majority charge carriers in a P-N junction?
Which statement best describes the effect of forward bias on minority charge carriers in a P-N junction?
Which statement best describes the effect of forward bias on minority charge carriers in a P-N junction?
What happens to the current in a P-N junction under forward bias?
What happens to the current in a P-N junction under forward bias?
How does the width of the depletion layer change under forward biasing in a P-N junction?
How does the width of the depletion layer change under forward biasing in a P-N junction?
In a PN junction under reverse bias, what happens to the number of majority charge carriers crossing the junction?
In a PN junction under reverse bias, what happens to the number of majority charge carriers crossing the junction?
What effect does an increase in temperature have on the reverse saturated current in a PN junction?
What effect does an increase in temperature have on the reverse saturated current in a PN junction?
What is the energy band structure of a PN junction under forward biasing?
What is the energy band structure of a PN junction under forward biasing?
What is the impact on current when a PN junction is under forward bias?
What is the impact on current when a PN junction is under forward bias?
What type of junction is an extension of metal-semiconductor point contact diode?
What type of junction is an extension of metal-semiconductor point contact diode?
What is another name for a hot electron diode?
What is another name for a hot electron diode?
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