Automatic Control Systems - Engineering

Q1:

The slope of log magnitude curve changes by - 40 dB/decade at a certain frequency and the error between asymptote and actual curve is positive. This means that

A a double pole is present

B a pair of complex conjugate poles is present

C either (a) or (b)

D neither (a) nor (b)

ANS:B - a pair of complex conjugate poles is present

No answer description is available.