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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the main regions of an n-p-n BJT?
π‘ Hint: Think of the transistor's structure.
Question 2
Easy
What does applying forward bias do to a junction?
π‘ Hint: Consider what happens to current flow.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the role of the base-emitter junction in a BJT?
- It allows current to flow
- It blocks current completely
- It regulates temperature
π‘ Hint: Remember what forward bias means.
Question 2
The current gain ratio of a BJT is denoted by which Greek letter?
- Ξ±
- Ξ²
- Ξ³
π‘ Hint: Think of how current is amplified.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT with a Ξ² value of 100, calculate the collector current if the base current is 0.1 mA.
π‘ Hint: Apply the beta relationship to find the collector current.
Question 2
If the base width of a BJT is reduced from 0.1 Β΅m to 0.05 Β΅m, discuss the impact on the Ξ² value and give possible reasons for this effect.
π‘ Hint: Think about how the electrons traverse the base region.
Challenge and get performance evaluation