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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What two types of bias can a BJT operate under?
π‘ Hint: Think about the potential difference applied to the p-n junctions.
Question 2
Easy
What does the term 'forward bias' mean?
π‘ Hint: Consider which way current flows in the device.
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 happens to the collector current when the base-emitter voltage increases?
- It remains constant
- It decreases
- It increases
π‘ Hint: Consider the exponential I-V relationship.
Question 2
True or False: The base current is always larger than the collector current.
- True
- False
π‘ Hint: Think about the definitions and roles of collector and base currents.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If the base-emitter voltage is increased to 0.7 V, estimate the increase in collector current assuming the saturation current is 1Β΅A.
π‘ Hint: Ensure to consider thermal voltage V_T at room temperature (~25 mV).
Question 2
How would the BJT's performance change if the emitter doping is increased drastically?
π‘ Hint: Think about the implications of minority carrier lifetimes and gradients.
Challenge and get performance evaluation