In the Bode-plot of a unit feedback control system, the value of phase of G (j ) at the gain crossover frequency is 125 . The phase margin of the system is

In the Bode-plot of a unit feedback control system, the value of phase

1.	In the Bode-plot of a unit feedback control system, the value of phase of G (j ) at the gain crossover frequency is 125 . The phase margin of the system is
A.	125
B.	55
C.	55
D.	125
Answer» D. 125

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In the Bode-plot of a unit feedback control system, the value of phase of G (j ) at the gain crossover frequency is 125 . The phase margin of the system is

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