engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Control Systems Frequency Response Analysis
Which of the following transfer function has the given polar plot?
1
\(G\left( s \right) = \frac{{\left( {s + {\omega _1}} \right)\left( {s + {\omega _2}} \right)}}{{{s^2}\left( {s + {\omega _2}} \right)\left( {s + {\omega _3}} \right)}}\)
2
\(\;G\left( s \right) = \frac{{s + {\omega _1}}}{{s\left( {s + {\omega _2}} \right)\left( {s + {\omega _3}} \right)}}\)
3
\(G\left( s \right) = \frac{{s + {\omega _1}}}{{s\left( {s + {\omega _2}} \right)}}\)
4
\(G\left( s \right) = \frac{1}{{\left( {s + {\omega _2}} \right)\left( {s + {\omega _3}} \right)}}\)