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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens in the active mode of a BJT?
💡 Hint: Think about the junction biases.
Question 2
Easy
Describe the cut-off mode in BJTs.
💡 Hint: What does an open switch do?
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
In which mode does a BJT allow amplification?
- A) Cut-off
- B) Active
- C) Saturation
💡 Hint: Think about the purpose of a transistor in amplifiers.
Question 2
True or False: The cut-off mode of a BJT allows maximum current.
- True
- False
💡 Hint: What does an open switch do?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a circuit using a BJT for an audio amplifier. Explain its behavior in active mode, and include calculations for the expected current gain if the base current is 10 mA.
💡 Hint: Use the formula I_C = β * I_B.
Question 2
A BJT is to be used as a switch controlling a motor. Describe its operation in saturation and cut-off modes and include the necessary voltage levels for each state.
💡 Hint: Consider how the transistor behaves in on and off states.
Challenge and get performance evaluation