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The voltage gain of the amplifier is 8 and the current gain is 7. The power gain of the amplifier is

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The voltage gain of the amplifier is 8 and the current gain is 7. The power gain of the amplifier is

(a) 56 db

(b) 17.481 db

(c) 34.963 db

(d) 1 db

The question was asked in an internship interview.

My query is from Amplifiers in chapter Signals and Amplifiers of Electronic Devices & Circuits

1 Answer

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Best answer
The correct choice is (b) 17.481 db

Easy explanation: The power gain is given by 10 log (7 X 8) db.

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