5555555555
77. A feedback amplifier has a ________ upper 3-dB frequency and a ________ lower 3-dB frequency compared to an amplifier without feedback.
(a) smaller, higher
(b) higher, smaller
(c) smaller, smaller
(d) higher, higher
| Subject Name : Electronics Engineering |
| Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT |
| Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant |
| Electronics & Communication Engineering Books |
| GATE 2023 Total Info | ENGG DIPLOMA | UGC NET Total Info |
| IES 2023 Total Info | PSUs 2022 Total Info | CSIR UGC NET Total Info |
| JAM 2023 Total Info | M TECH 2023 Total Info | RAILWAY 2022 Total Info |
Related Posts
Feedback Amplifiers » Exercise - 16. Negative feedback in an amplifier : (a) lowers its lower 3 dB frequency (b) raises its upper 3 dB frequency (c) increases its bandwidth (d) all of the above- 555555555557. Voltage gains of ________ dB or higher should immediately be recognized as being quite high. (a) 3 (b) 6 (c) 20 (d) 50
- 555555555530. An amplifier with negative feedback has ________ bandwidth than (as) the amplifier without feedback. (a) the same (b) less (c) more (d) None of the above
- 555555555553. The decibel (dB) is defined such that ________ decibel(s) = ________ bel(s). (a) 1, 10 (b) 10, 1 (c) 1, 1 (d) 10, 10
- 5555555555166. What is the output voltage? (a) 15 V (b) 5 V (c) –5 V (d) –15 V