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Control Systems
Frequency Domain Analysis
Polar Plot

Questions mapped to Polar Plot under Frequency Domain Analysis.

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Q#1 Frequency Domain Analysis GATE EE 2010 (Set 1) MCQ +2 marks -0.66 marks

The frequency response of  plotted in the complex  plane  is

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Q#2 Frequency Domain Analysis GATE EE 2009 (Set 1) MCQ +1 mark -0.66 marks

The polar plot of an open loop stable system is shown below. The closed loop system is

Q17.jpg

Always stable

Marginally stable

Unstable with one pole on the RH s-plane

Unstable with two poles on the RH s-plane

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Q#3 Frequency Domain Analysis GATE EE 2001 (Set 1) MCQ +1 mark -0.33 marks

The polar plot of a type-1, 3-pole, open-loop system is shown in Figure, the closed loop system is         

Q14.jpg

Always stable

Marginally stable

Unstable with one pole on the right half s-plane

Unstable with two poles on the right half s-plane

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Q#4 Frequency Domain Analysis GATE EE 1994 (Set 1) MCQ +2 marks -0 marks

Match the polar plots for the following functions on the left hand side *(MTA since incomplete question)                 

        

           

        

MTA since incomplete question

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