engineering recuitment GATE ECE 2023-24 Test Series Control Systems Frequency Response Analysis Bode Plot
What is the slope change at ω = 10 for the magnitude v / s frequency characteristics of a unity feedback system with the following open-loop transfer function:
\(G\left( {j\omega } \right) = \frac{{5(1 + j0.1\omega) }}{{j\omega \left( {1 + j0.5\omega } \right)\;\left[ {\frac{{j\omega }}{{0.65}} + {{\left( {\frac{{j\omega }}{{50}}} \right)}^2} + 1} \right]}}\)1
-80 dB / dec to -60 dB / dec
2
-40 dB / dec to 20 dB / dec
3
40 dB / dec to -20 dB / dec
4
-40 dB / dec to -20 dB / dec