If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is____________?

Related Mcqs:

RC coupling is used for_____________amplification?

A. Voltage B. Current C. Power D. None of the above...

1 db corresponds to_____________change in voltage or current level?

A. 40% B. 80% C. 20% D. 25%...

The best frequency response is of_____________coupling?

A. RC B. Transformer C. Direct D. None of the above...

In obtaining the frequency response curve of an amplifier, the______________?

A. Amplifier level output is kept constant B. Amplifier frequency is held constant C. Generator frequency is held constant D. Generator output level is held constant...

The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?

A. 2 W B. 6 W C. 68 W D. None of the above...