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

Related Mcqs:

The ear is not sensitive to___________?

A. Frequency distortion B. Amplitude distortion C. Frequency as well as amplitude distortion None of the above...

A current amplification of 2000 is a gain of_________________?

A. 3 db B. 66 db C. 20 db D. 200 db...

The total gain of a multistage amplifier is less than the product of the gains of individual stages due to____________?

A. Power loss in the coupling device B. Loading effect of the next stage C. The use of many transistors The use of many capacitors...

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...

The upper or lower cut off frequency is also called______________frequency?

A. Resonant B. Sideband C. 3 db D. None of the above...