For a unity feedback control system, if its open-loop transfer functio – McqOptions

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1.	For a unity feedback control system, if its open-loop transfer function is given by \(\frac{10}{(s+5)^3}\), then its gain margin will be
A.	20 dB
B.	40 dB
C.	60 dB
D.	80 dB
Answer» C. 60 dB

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