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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is input capacitance?
💡 Hint: Think about what happens when a signal comes into the amplifier.
Question 2
Easy
Define voltage gain.
💡 Hint: It tells us how much the amplifier amplifies the signal.
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 main characteristic of a common collector amplifier?
- It amplifies current
- It enhances voltage gain
- It has low input resistance
💡 Hint: Think about the function of collectors in amplifiers.
Question 2
True or False: In a common drain amplifier, the output voltage is significantly higher than the input voltage.
- True
- False
💡 Hint: Consider what the term 'common drain' implies for voltage levels.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A common collector amplifier has an input capacitance of 4pF and a voltage gain of approximating 0.95. Calculate the effective input capacitance when considering additional capacitance of 1pF.
💡 Hint: Don't forget to calculate the contribution of added capacitance based on the gain.
Question 2
Design a mathematical model that reflects the variations in output resistance for a common collector amplifier with a variable load resistance affecting output significantly. Show your workings.
💡 Hint: Focus on parallel resistance calculations for simplifications.
Challenge and get performance evaluation