An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?
(A) 0.5/0.2
(B) 0.2/0.5
(C) 0.2 × 0.5
(D) 1/√(0.2 × 0.5)
An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?
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