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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define the term 'Current Gain' in the context of BJTs.
π‘ Hint: Think about how much the small base current can control a larger output.
Question 2
Easy
What is the primary function of the base current in a BJT?
π‘ Hint: Relate this to amplification or switching in circuits.
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 relationship between base current and collector current in a BJT?
- They are equal.
- They are inversely proportional.
- Collector current is larger than base current.
π‘ Hint: Consider how small signals control larger outputs.
Question 2
True or False: The transfer characteristics of a BJT are linear across all current levels.
- True
- False
π‘ Hint: Think about the amplification behavior graph.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a simple circuit using a BJT as a switch for an LED. Given a 12V supply and a base current of 2 mA, determine the maximum collector current you can expect if Ξ² = 120.
π‘ Hint: Use the relationship between base current and collector current.
Question 2
Explain how the transfer characteristics of a BJT would change if it's overheating. What practical steps could you take in circuit design to handle this?
π‘ Hint: Consider how temperature affects semiconductor behavior.
Challenge and get performance evaluation