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An amplifier has a voltage gain A(V)=100...

An amplifier has a voltage gain `A_(V)=1000`. The voltage gain in `dB` is

A

30dB

B

60dB

C

3dB

D

20dB

Text Solution

Verified by Experts

The correct Answer is:
B
`A_(V)=1000`
`A_(V)(DB)=20 log (A_(V))=20 log (1000)=60dB`.
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