1.

The transfer function of a first-order controller is given as;\({{G}_{C}}\left( s \right)=\frac{K\left( s+a \right)}{s+b}\)Where K, a and b are positive real numbers. The condition for this controller to act as a phase lead compensator is

A. a < b
B. a > b
C. K < ab
D. K > ab
Answer» B. a > b


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