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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to the minority carrier concentration in a BJT during forward bias?
π‘ Hint: Relate this to the definition of forward bias.
Question 2
Easy
Define injection current in a BJT.
π‘ Hint: Think about the flow direction in forward bias.
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 effect of forward bias on minority carrier concentration?
- It decreases.
- It remains constant.
- It increases.
π‘ Hint: Think about how biasing influences carriers.
Question 2
True or False: The recombination current is independent of carrier concentration.
- True
- False
π‘ Hint: Reflect on the relationship between availability and recombination.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the impact on collector current if the base-emitter voltage is increased from 0.7V to 0.8V while keeping the characteristics of the BJT constant.
π‘ Hint: Use the exponential relationship of current with voltage in your calculations.
Question 2
In a lab experiment, the recombination current was measured to be 5 ΞΌA while the injection current was 20 ΞΌA. Determine the net effect these currents will have on the base current.
π‘ Hint: Focus on the concept of how injection and recombination balance out in the calculations.
Challenge and get performance evaluation