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Practice Questions
Test your understanding with targeted questions related to the topic.
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.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation