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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the turn-on voltage for silicon BJTs?
💡 Hint: Think about where the IB starts increasing.
Question 2
Easy
In which region is a BJT considered 'off'?
💡 Hint: Consider when no current flows through the collector.
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
At what base-emitter voltage does a silicon BJT begin to turn on?
- 0.3 V
- 0.5 V
- 0.7 V
- 1 V
💡 Hint: Remember the threshold where IB starts significantly rising.
Question 2
True or False: The Q-point of a BJT should be located in the cutoff region for proper amplification.
- True
- False
💡 Hint: Consider where the amplifier operates effectively.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A silicon BJT has a beta (β) of 150. If the base current (IB) is 20 µA, what is the collector current (IC)?
💡 Hint: Use the given current gain formula.
Question 2
Sketch the I-V characteristics of a BJT. Label all regions and mark the thresholds and important voltages.
💡 Hint: Pay close attention to the typical shapes of the curves and where transitions occur.
Challenge and get performance evaluation