If the percentage overshoot (% OS) of a second-order system is 40%, then its damping ratio (ζ) is:

Which of the following is a property of negative feedback?

 In a bode magnitude plot, which one of the following slopes(dB/decade) would be exhibited at high frequencies by a 4th order all-pole system ?

The unit step response of a system starting from rest is given by c(t)= 1 – e^-2t (t>=0) , the transfer function of the system is

Calculate the settling time with 2% tolerance for a second-order unit step input with ζ = 0.5 and ω_n = 200 rad/sec.

A Control System with excessive noise, is likely to suffer from which of the following?

The output of the feedback control system must be a function of ____________

Find the delay time (in seconds) of a second-order system having damping ratio (ζ) = 0.5 and natural frequency (ω_n) = 4 rad/sec (rounded to two decimal places).

Consider a linear system that is equivalently represented by two sets of state equations as follows:

X = AX + BU

W = CW + DU

If the eigenvalues of the representation are computed as λ and μ, which of the following equations holds true?

In a signal-flow graph, a loop is a