The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be

The open loop gain of an amplifier is 200. If negative feedback with �

1.	The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be
A.	200
B.	40.12
C.	4.878
D.	2.2
Answer» D. 2.2