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Exam Questions Papers - Engineering

Q1:

The magnitude plot of a rational transfer function G(s) with real coefficients is shown below. Which of the following compensators has such a magnitude plot?

A Lead compensator

B Lag compensator

C PID compensator

D Lead-lag compensator

ANS:D - Lead-lag compensator

Since magnitude plot shows both increasing as well as decreasing plot, it is lead-lag compensator.