Practice Effect Of Reverse Bias On Minority Carrier Profile (7.1.2) - Revisiting BJT Characteristic - Part B

Practice: Effect of Reverse Bias on Minority Carrier Profile

Lesson 7.1.2Revisiting BJT Characteristic - Part B

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9 questions

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6 sample questions

Question 1.
What is reverse bias in a semiconductor?
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Think of it as a way to push current away from a junction.
Question 2.
Define minority carriers in the context of BJTs.
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They're not the primary carriers.
3Question 3.
What happens to minority carrier density when reverse bias is applied?
- Decreases toward zero
- Increases uniformly
- Remains the same
- Increases only at x=0
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Consider the behavior of carriers in an opposing voltage.
4Question 4.
True or False: A BJT with isolated junctions behaves like two back-to-back diodes.
- True
- False
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Think about the necessary conditions for transistor operation.
Question 5.
A transistor is operating at a reverse bias. Describe the step-by-step process of how a small change in the reverse bias affects the collector current.
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Look at how current varies as you adjust bias.
Question 6.
Under various reverse bias values, derive the relationship of junction proximity to collector current and the resulting implication on transistor function.
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Think about what happens to the spatial profile of carriers.

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