Frequency Domain Analysis » Exercise – 1
16. For a stable system :
(a) gain margin must be positive but phase margin can be positive or negative
(b) phase margin must be positive but gain margin can be positive or negative
(c) both gain margin and phase margin must be positive
(d) one of them must be zeroSubject 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
Frequency Domain Analysis » Exercise - 111. The gain margin of a system is 0 dB. It represent a : (a) stable system (b) unstable system (c) conditionally stable system (d) marginally stable system- Frequency Domain Analysis » Exercise - 114. Large values of gain margin and phase margin result in : (a) a fast system (b) an unstable system (c) a sluggish system (d) an underdamped system
- Frequency Domain Analysis » Exercise - 123. The phase margin of a system is 0˚. It represents a : (a) stable system (b) unstable system (c) conditionally stable system (d) marginally stable system
- Frequency Domain Analysis » Exercise - 1 17. At the phase crossover frequency, ω =10 rad/s,│G(j ω)H(j ω) │= 15 dB. Its gain margin : (a) 15 dB (b) 0 dB (c) -15 dB (d) cannot be predicted
- Stability Theory » Exercise - 254. The damping ratio of a second-order system is 0.2. Its phase margin is approximately : (a) 0.4˚ (b) 2˚ (c) 20˚ (d) 40˚