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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a voltage-controlled resistor?
💡 Hint: Think about how it might be used in audio applications.
Question 2
Easy
What region of operation do MOSFETs work in to act as voltage-controlled resistors?
💡 Hint: Consider the name of the region where MOSFET can adjust resistance.
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 primary function of a MOSFET operating as a voltage-controlled resistor?
- To switch high currents
- To adjust resistance based on voltage
- To store data
💡 Hint: Think about how it is used in circuit applications.
Question 2
True or False: The resistance in a voltage-controlled resistor increases with an increase in gate voltage.
- True
- False
💡 Hint: Consider the operation principle of the MOSFET in the triode region.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a variable gain amplifier circuit using a voltage-controlled resistor. Explain your design rationale.
💡 Hint: Consider how feedback affects the gain to keep it steady.
Question 2
Evaluate the effects of varying the gate voltage on an audio circuit's performance when using a voltage-controlled resistor.
💡 Hint: Think about frequency response in audio engineering.
Challenge and get performance evaluation