Practice Output Resistance And Voltage Gain (88.2.4) - Numerical examples on current mirror and its applications (Part-C)

Practice: Output Resistance and Voltage Gain

Lesson 88.2.4Numerical examples on current mirror and its applications (Part-C)

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11 questions

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6 sample questions

Question 1.
What is a common emitter amplifier?
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Think of how transistors amplify signals.
Question 2.
What is a current mirror used for?
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Consider why matching current is useful in circuits.
3Question 3.
What is the primary function of a current mirror?
- To amplify voltage
- To replicate current
- To transform signal frequency
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Think about how mirrors work in everyday life.
4Question 4.
The output resistance of an amplifier affects which of the following?
- True
- False
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Consider what happens if you put a heavier load on a spring.
Question 5.
Given a common emitter amplifier with a transistor beta of 150 and Early voltage of 120 V, calculate the expected output voltage considering a baseline of 11.4V.
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Factor in current mirroring and compare with ideal voltage to find discrepancies.
Question 6.
Design a scenario where mismatched beta values of 100 and 200 affect the output voltage of a current mirror setup, and analyze the outcomes.
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To visualize, sketch the current path and observably contrast both outputs to identify variations.

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