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NEET 2008

Exam: NEET
Year: 2008
Subject: Chemistry
Chapter: Solid State

NEET 2008 · Chemistry · Solid State

The voltage gain of an amplifier with 9 \% negative feedback is 10...

The voltage gain of an amplifier with

9 \%

negative feedback is 10 . The voltage gain without feedback will be $The voltage gain of an amplifier with 9 \% negative feedback is 10 . The voltage gain without feedback will be$ $The voltage gain of an amplifier with 9 \% negative feedback is 10 . The voltage gain without feedback will be$

Options

A100
B90
C10
D1.25

Correct answer

A. 100

Step-by-step solution

$The voltage gain of an amplifier with 9 \% negative feedback is 10 . The voltage gain without feedback will be$
Given

\frac{v_0}{v_i}=10

and \left(v_i-0.09 v_0\right) A=v_0 \Rightarrow \quad A=100

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