An ideal PID controller has the transfer function [1 + 1/0.55 + 0.25 ] – McqOptions

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1.	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.	A
B.	B
C.	C
D.	D
Answer» E.

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