EC8452 EC-II Important Questions, ELECTRONICS CIRCUITS-II Answer Key–ECE 4th SEM


EC8452 EC-II Important Questions

Anna University Regulation 2017ECE EC8452 EC-II Important Questions with Answer Key and ECE 4th SEM EC8452 ELECTRONICS CIRCUITS-II Engineering Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

1. Define positive and negative feedback.
2.List the effect of negative feedback on the noise and bandwidth of an amplifier.
3. State sensitivity and de-sensitivity of gain in feedback amplifiers.
4.A negative feedback amplifier has a bandwidth of 250 KHz and desensitivity
factor of 4. What is the bandwidth of the basic amplifier without feedback?
5.Tabulate the input and output resistances of a negative feedback amplifier.

6. Draw the magnitude and phase angle plot of three stage amplifier.
7. Outline the loop gain or return ratio of feedback amplifier.
8. Discuss the advantages of negative feedback in amplifiers.
9. Express the reason for negative feedback which increases bandwidth.
10.Describe the effect of gain in amplifier when voltage shunt & series
feedback is employed.

EC8452  EC-II All units Important Questions  Download Here

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EC8452 ELECTRONICS CIRCUITS-II Engineering Answer Key free download

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EC8452 Answer Key, EC-II Unit wise Important Questions-ECE 4th Semester


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