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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a current mirror.
💡 Hint: Think about its function in replicating current.
Question 2
Easy
What is the effect of early voltage in a BJT?
💡 Hint: Consider how current might change based on voltage.
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 main purpose of a current mirror?
- To amplify a signal
- To replicate a current
- To regulate voltage
💡 Hint: Focus on the functional role of current mirrors in circuits.
Question 2
True or False: A higher output resistance is beneficial for maintaining current stability.
- True
- False
💡 Hint: Think about stability in variable load conditions.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a current mirror that can handle an output voltage variation of 2V while maintaining a current stability of 1mA. Describe your approach and calculations.
💡 Hint: Use the principles of voltage drops and Ohm's law in your design considerations.
Question 2
You have a BJT current mirror setup where the collector current changes drastically with output voltage. Propose modifications to optimize it for stability.
💡 Hint: Think about how altering the transistor's physical characteristics might impact the electrical response.
Challenge and get performance evaluation