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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of a current mirror in an amplifier circuit?
💡 Hint: Think about current copying.
Question 2
Easy
If I_C is 2 mA and β is 100, what is I_B?
💡 Hint: Use I_B = I_C/β formula.
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 primary function of a current mirror?
- To amplify voltage
- To copy current
- To provide input signals
💡 Hint: Think about what it needs to copy.
Question 2
True or False: A higher β value leads to a smaller base current.
- True
- False
💡 Hint: How does β relate to currents?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a common emitter amplifier with a target voltage gain of 1500 while maintaining collector current of 2 mA. What parameters will you adjust, and how?
💡 Hint: Assess your outputs with respect to collector and base currents' relationship.
Question 2
If two transistors in a current mirror have a beta mismatch (β of 100 and β of 150), determine the potential impact on the output current if the bias current remains constant.
💡 Hint: Think about how each transistor's β influences the current relations.
Challenge and get performance evaluation