The critical value of gain for the system is 40. The system is operati – McqOptions

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1.	The critical value of gain for the system is 40. The system is operating at a gain of 20. The gain margin of the system is :
A.	2 dB
B.	3 dB
C.	6 dB
D.	4 dB
Answer» D. 4 dB

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