Practice A Having Three Poles (96.7.1) - Effect of feedback on frequency response (Part-B)

Practice: A Having Three Poles

Lesson 96.7.1Effect of feedback on frequency response (Part-B)

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9 questions

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6 sample questions

Question 1.
What is the definition of a dominant pole?
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Think about which pole influences the behavior most at low frequencies.
Question 2.
Explain what feedback is.
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Consider how a thermostat alters its heating based on the temperature it detects.
3Question 3.
What defines a dominant pole in a feedback system?
- It is the furthest pole from the imaginary axis
- It is the closest pole to the imaginary axis
- It does not affect the gain
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Which pole influences the behavior most?
4Question 4.
True or False: Feedback can destabilize a system by creating complex conjugate poles.
- True
- False
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Think of what complex poles indicate regarding system stability.
Question 5.
You have a system with poles at -3 and -5, and feedback results in a pole shift to -2.5. Discuss the implications for stability and system response.
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Consider how close poles affect resonance.
Question 6.
Using a feedback factor of 0.2, if the original dominant pole is -4, calculate the new pole location.
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Make sure to apply the feedback correctly in the calculation.

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