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Question: Answered & Verified by Expert
The voltage gain of an amplifier with $9 \%$ negative feedback is 10 . The voltage gain without feedback will be
ChemistrySolid StateNEETNEET 2008 (Mains)
Options:
  • A 100
  • B 90
  • C 10
  • D 1.25
Solution:
1360 Upvotes Verified Answer
The correct answer is: 100


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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