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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula to calculate base current (I_B) given collector current (I_C) and beta (β)?
💡 Hint: Think about how both currents are related through beta.
Question 2
Easy
What does the parameter alpha (α) represent in a transistor?
💡 Hint: Remember the relationship with emitter current.
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 collector current (I_C) and base current (I_B)?
- I_B = I_C * β
- I_B = I_C / β
- I_B = I_C + β
💡 Hint: Think of β as a scaling factor for the currents.
Question 2
Increasing the collector voltage (V_CB) always decreases the collector current (I_C).
- True
- False
💡 Hint: Consider what happens to the base width with varying V_CB.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A BJT has a beta of 200. If the base current is 0.01 mA, calculate the collector current.
💡 Hint: Use the relationship between I_B and I_C to solve.
Question 2
Explain how modifying the voltage V_CB affects both W_B and I_C in a practical circuit application.
💡 Hint: Think about how both voltage and the dimensions interact in the circuit.
Challenge and get performance evaluation