49. The non-linear distortion of an amplifier is D without feedback. The amplifier has an open-loop voltage gain of Av and feedback fraction is mv. With negative voltage feedback, the non-linear distortion will be …….
(a) D (1 + Av mv)
(b) D (1 – Av mv)
(c) (1 + A m)/D
(d) 1 D/(1 + Avmv)
Answer : (d)
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