If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is ___________
A. 600 db
B. 24 db
C. 14 db
D. 27 db
Answer: Option D
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Related Questions on Multistage Transistor Amplifiers
The gain of an amplifier is expressed in db because ___________
A. It is a simple unit
B. Calculations become easy
C. Human ear response is logarithmic
D. None of the above
RC coupling is not used to amplify extremely low frequencies because
A. There is considerable power loss
B. There is hum in the output
C. Electrical size of coupling capacitor becomes very large
D. None of the above
If the power level of an amplifier reduces to half, the db gain will fall by .
A. 5 db
B. 2 db
C. 10 db
D. 3 db
Sir from which book i can get this question.
?