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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define what an instrumentation amplifier does.
π‘ Hint: Think about its purpose in noisy environments.
Question 2
Easy
What is the significance of the gain formula in instrumentation amplifiers?
π‘ Hint: Remember the formula includes resistor values.
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 an instrumentation amplifier?
- To amplify AC signals only
- To amplify differential signals
- To filter noise
π‘ Hint: Consider the type of input they specialize in.
Question 2
True or false: The gain of an instrumentation amplifier can be adjusted by changing resistor values.
- True
- False
π‘ Hint: Think about how gain is related to resistance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are building an ECG machine requiring a gain of 50 with $R_f$ equal to 25kΞ©. Determine the value for $R_1$. Assuming the gain formula, what must the input resistor be?
π‘ Hint: Consider manipulating the gain formula to isolate $R_1$.
Question 2
Discuss how an increase in CMRR affects the performance of an instrumentation amplifier.
π‘ Hint: Reflect on what common-mode noise affects in terms of signal quality.
Challenge and get performance evaluation