List of top Electronics and Communication Engineering Questions on Control Systems asked in TS PGECET

The quadrature null effect of the coherent detector occur at

For the following Routh's array, the system is

Error constants of a system are measure of

The following are the effects of a phase-lead compensation except

The incorrect statement with respect to Bode Plots is

The total power in the two side-frequencies of the resulting AM is one third of the total power in the modulated wave when the modulation index is

The steady state error for a type 1 system with input of \[ \frac{At^2}{2}u(t) \] is

The control system with single pole at origin is

For the system \[ G(s)H(s)=\frac{K(s+a^{2})}{(s+b)^{2}}, \] the break point is

The incorrect option for a Closed loop control system output is

The characteristic polynomial of a system is \[ s^3+2s^2+4s+K. \] The system is marginally stable for

The root locus approaches straight lines as asymptotes approaches

The range of steady state value for the rise time of underdamped system is

\(\displaystyle \lim_{s\rightarrow0}s^{2}G(s)\) defines

The damped natural frequency of an underdamped system is given by

The following plot shows

The characteristic equation of a control system is given by \( s(s+1)(s^2+2s+1)+k(s+2)=0 \). The angles of asymptotes of the root loci are

The limit cycles describe the ____ of non-linear systems

Consider an open-loop unstable system with the transfer function \( G(s)H(s) = \frac{s+2}{(s+1)(s-1)} \) when the feedback path is closed, then the system is

The main advantage of Bode plot is to

Addition of a pole at the origin to a transfer function rotates the polar plot at zero and infinite frequencies by a further angle of

Position, velocity and acceleration errors of type 2 control system respectively, are

From the following Routh array table, which tells us that there are

\( S^n \)	Col 1	Col 2	Col 3
\( S^5 \)	2	1
\( S^4 \)	3	2	1
\( S^3 \)	\(-\frac{4}{3}\)	\(-\frac{2}{3}\)
\( S^2 \)	\(\frac{1}{2}\)	1
\( S^1 \)	2
\( S^0 \)	1