The gain of an amplifier is expressed in db because_____________?

Related Mcqs:

The noise factor of an ideal amplifier expressed in db is_____________?

A. 0 B. 1 C. 1 D. 10...

In practice, voltage gain is expressed______________?

A. In db B. In volts C. As a number D. None of the above...

When a multistage amplifier is to amplify d.c. signal, then one must use_____________coupling?

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

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...

In transistor amplifiers, we use_____________transformer for impedance matching?

A. Step up B. Step down C. Same turn ratio None of the above...