1.

The phase cross-over frequency of the transfer function \(G\left( s \right) = \frac{{100}}{{{{\left( {s + 1} \right)}^3}}}\) in \(rad/s\) is

A. \(\sqrt 3\)
B. \(\frac{1}{{\sqrt 3 }}\)
C. 3
D. \(3\sqrt 3\)
E. 180
Answer» B. \(\frac{1}{{\sqrt 3 }}\)


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