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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a current mirror used for?
π‘ Hint: Think about their function in biasing.
Question 2
Easy
Calculate the base current if the collector current is 2 mA and Ξ² is 100.
π‘ Hint: Use the formula I_B = I_C / Ξ².
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 increase voltage
- To replicate current
- To store energy
π‘ Hint: Think about what 'mirror' means.
Question 2
True or False: A higher Early voltage is better for consistent current in a mirror.
- True
- False
π‘ Hint: Consider the importance of stability.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a bias circuit using current mirrors for an amplifier with a desired collector current of 10 mA. Calculate the necessary bias resistors and discuss the implications of Early voltage.
π‘ Hint: Remember to apply Ohm's Law and account for all currents.
Question 2
Evaluate how varying the supply voltage affects the collector current in a common emitter amplifier using current mirrors.
π‘ Hint: Consider the relationship between voltage and current in circuit theory.
Challenge and get performance evaluation