Stability Theory » Exercise - 13. If the characteristic equation of a closed-loop system is the centroid of the asymptotes in root-locus will be : (a) zero (b) 2 (c) – 1 (d) – 2
Stability Theory » Exercise - 129. The terms in the first column of the Routh array of the characteristic equation of a certain system are 4, 7, 6, -5, -4, -3. The number of roots of the characteristic equation in the right-half of the s-plane is equal to : (a) 2 (b) 1 (c) 3 (d) none of these
Stability Theory » Exercise - 263. In q(s)-plane the Nyquist plot is symmetrical about the : (a) imaginary axis (b) real axis (c) origin (d) none of these
Stability Theory » Exercise - 15. The characteristic equation of a feedback control system is The number of roots in the right half of s-plane are : (a) zero (b) 1 (c) 2 (d) 3