Automatic Control Systems - Engineering

Q1:

A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of

A -200 dB/decade

B -240 dB/decade

C -280 dB/decade

D -320 dB/decade

ANS:A - -200 dB/decade

-(12 - 2) 20 or - 200 dB/decade.