An amplifier has a voltage gain of 100. To reduce distortion,

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An amplifier has a voltage gain of 100. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is:

1. 1.01
2. 9.09
3. 90.9
4. 101

Correct Option: B

Given A = 100

β = 10% =	10	= 0.1
	100

A_f =	A	=	100	=	100	= 9.09
	1 + Aβ		1 + 100 × 0.1		11