Practice Numerical Examples On Current Mirror And Its Applications (part-b) (87.1.5)

Practice: Numerical Examples on Current Mirror and its Applications (Part-B)

Lesson 87.1.5Numerical examples on current mirror and its applications (Part-B)

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10 questions

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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define a current mirror.
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Think about its function in replicating current.
Question 2.
What is the effect of early voltage in a BJT?
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Consider how current might change based on voltage.
3Question 3.
What is the main purpose of a current mirror?
- To amplify a signal
- To replicate a current
- To regulate voltage
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Focus on the functional role of current mirrors in circuits.
4Question 4.
True or False: A higher output resistance is beneficial for maintaining current stability.
- True
- False
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Think about stability in variable load conditions.
Question 5.
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.
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Use the principles of voltage drops and Ohm's law in your design considerations.
Question 6.
You have a BJT current mirror setup where the collector current changes drastically with output voltage. Propose modifications to optimize it for stability.
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Think about how altering the transistor's physical characteristics might impact the electrical response.

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