141. The function G(s) H(s) of a system has no poles in the RHS of s-plane. For the system to be stable, the Nyquist plot of G(s) must not enclose the
142. On adding a pole at s = 0, the Nyquist plot of a system will
143. Polar plots for positive and negative frequencies
144. The actuating signal in a control system is always fed to
145. In a control system, the controller consists of
146. The Op Amp control components in a control system ideally draw
147. Which of the following system provides good performance if offset is to be avoided?
