Practice Numerical Example: Current Amplifier (2.2.5) - Amplifier Models and BJT/FET BiasingV
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Numerical Example: Current Amplifier

Practice - Numerical Example: Current Amplifier

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main function of a current amplifier?

💡 Hint: Think about the role of amplifiers in electronics.

Question 2 Easy

What is the ideal input impedance for a current amplifier?

💡 Hint: Consider how it interacts with the input signal.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a current amplifier primarily do?

True
False

💡 Hint: Think about the definition of amplifiers.

Question 2

The ideal output impedance of a current amplifier is zero.

True
False

💡 Hint: Reflect on the role of output impedance.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a current amplifier with Rin of 2 Ω, Rout of 300 kΩ, an Ai of 200, and an Iin of 15 µA. Calculate the output current when a load of 50 kΩ is connected.

💡 Hint: Use the loaded output current formula.

Challenge 2 Hard

Explain the effect on output current if the current gain of a current amplifier is doubled while the input current remains constant.

💡 Hint: Consider how gain interacts with input current.

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Reference links

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