Preview of practice Loading Effects In Current To Voltage Conversions (23.7.2) - Linear models of Amplifiers (Part B)
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Loading Effects in Current to Voltage Conversions

Practice - Loading Effects in Current to Voltage Conversions

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a current amplifier?

💡 Hint: Think of the function it serves in electronics.

Question 2 Easy

Explain the purpose of DC bias in a current amplifier.

💡 Hint: Consider what happens if a transistor is turned off.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the unloaded current gain of a current amplifier?

1
The ratio of output to input current
Always greater than 1

💡 Hint: Think about what happens when no load is connected.

Question 2

True or False: Coupling capacitors allow DC signals to pass.

True
False

💡 Hint: Consider the primary function of coupling capacitors.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a current amplifier circuit to amplify a 10uA input current to 100uA with a load of 10 ohms. Calculate the required A, and resistance values.

💡 Hint: Use the unloaded current gain formula.

Challenge 2 Hard

Discuss the primary trade-offs between high input resistance and low output resistance in application circuits for current amplifiers.

💡 Hint: Consider how input and output impedances influence overall performance.

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Reference links

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