Preview of practice Department Of Electronics And Electrical Communication Engineering (23.2.2)
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Department of Electronics and Electrical Communication Engineering

Practice - Department of Electronics and Electrical Communication Engineering

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a current amplifier?

💡 Hint: Consider the type of signals managed by the amplifier.

Question 2 Easy

What does unloaded current gain indicate?

💡 Hint: Think about testing an amplifier with no devices connected.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does an unloaded current gain of 5 mean?

The output current is five times the input current
The input current is five times the output current
It has no significance

💡 Hint: Think about how gain changes the input and output relation.

Question 2

True or False: A current amplifier can also amplify voltage.

True
False

💡 Hint: Remember, each amplifier type serves a specific purpose.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design and describe a circuit featuring both a current amplifier and a transimpedance amplifier. Explain how the output of the first amplifier drives the second.

💡 Hint: Remember the signal flow from current to voltage!

Challenge 2 Hard

A current amplifier has an internal resistance of 150 ohms and is connected to a load of 450 ohms. What is the effective current gain considering loading effects?

💡 Hint: Consider resistance in parallel and the impact on current transfer.

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Reference links

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