Consider the following statements with reference to frequency-domain approaches to analysis of feedback to control system
1. The approach needs and accurate mathematical description of the system
2. The method is independent of the complexity of systems
3. The method gives an approach for trial and error design
Which of the above statements are correct?
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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In root locus analysis the breakaway and break in points
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B. It is symmetric about -180°
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