Questions  

The voltage gain of an amplifier without feedback is 100. Find voltage gain with 7% of negative feedback.

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By Expert Faculty of Sri Chaitanya
ctaimg
a
10
b
12.5
c
15
d
18
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detailed solution

Correct option is B

A'=A1+βA,A'=1001+7100×100,A'=1008=12.5


ctaimg

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