Stability Theory » Exercise - 262. The Nyquist plot intersects the real axis at –a = -0.02, the gain margin is : (a) -0.02 (b) +0.02 (c) 50 (d) cannot be estimated
Stability Theory » Exercise - 123. Asymptotes can intersect : (a) only on the negative real axis (b) only on the positive real axis (c) any where on the real axis (d) none of these
Stability Theory » Exercise - 134. For the application of Routh’s test, all the coefficients of the characteristic equation must be : (a) real (b) imaginary (c) complex (d) none of these
Stability Theory » Exercise - 14. The intersection of root locus branches with the imaginary axis can be determined by the use of : (a) nyquist criterion (b) polar plot (c) routh’s criterion (d) none of the above