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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a comparator do?
💡 Hint: Think about how it makes decisions between two inputs.
Question 2
Easy
What is the output of a comparator if V+ is less than V-?
💡 Hint: What does low mean in digital logic?
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 determines the output of a comparator?
- The sum of the voltages
- The greater of the two input voltages
- The connected output device
💡 Hint: Think about how the inputs compare to each other.
Question 2
True or False: A comparator uses feedback in its operation.
- True
- False
💡 Hint: Recall what open-loop means in circuitry.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a comparator circuit to trigger a buzzer when temperature sensor readings exceed 30°C. Specify components and configuration.
💡 Hint: Consider how to set reference and connect the buzzer for a high signal.
Question 2
Analyze a scenario where a comparator outputs a false signal due to noise. Suggest a modification to mitigate this issue.
💡 Hint: What kind of feedback helps create stability?
Challenge and get performance evaluation