Question

An amplifier has a voltage gain A, = 1000. The voltage gain in dB is :- (1) 30 dB (2) 60 dB (3) 3 dB (4) 20 dB​

Answer 1

Answer:

The correct option is (b) 60 dB.

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Answer 2

Answer:

Calculate the power gain of the amplifier in decibels. ... We could also, if we so wished, convert this amplifiers decibels value back into a linear value by first converting from decibels (dB) to a Bel remembering that a decibel is 1/100th of a Bel. For example: A 1000 watt audio amplifier has a power gain ratio of 60dB.

Option 2 ) 60db