Teaching HPSC Lecturer (Technical) Mock Test 2024 Control Systems Frequency Response Analysis Nyquist Plot
Which of the following statements about the Nyquist plot of G(s) \( = \frac{{s + 2}}{{\left( {s - 1} \right)\left( {s + 3} \right)\left( {s + 4} \right)}}\)
1
It will encircle origin once in clockwise and (-1 + j0) twice in clockwise.
2
It will encircle origin once in anticlockwise and (-1 + j0)
3
It will encircle origin once in anticlockwise and should not encircle (-1 + j0)
4
It will encircle origin once in clockwise ξ (-1 + j0) not encircle (-1 + j0)
5
It will encircle origin once in clockwise ξ (-2 + j0) not encircle (-1 + j0)
5
Question Not Attempted