Q.

Scientist Nyquist have contribution in:

A. asymptotic plots
B. polar plots
C. root locus technique
D. constant m and n circle
Answer» B. polar plots
Explanation: nyquist plot is used to find the stability of the system by open loop poles and zeroes and the encirclements of the poles and zeroes and satisfying the equation n=p-z and this is named under the name of scientist nyquist.
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