An amplifier receives 0.1 W of input signal and delivers 15 W of signa – McqOptions

MCQOPTIONS

1.	An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?
A.	db
B.	db
C.	db
D.	db
Answer» B. db

Discussion

No Comment Found

Related MCQs

An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?
When a multistage amplifier is to amplify d.c. signal, then one must usecoupling
In practice, voltage gain is expressed ___________
The total gain of a multistage amplifier is less than the product of the gains of individual stages due to ___________
In transistor amplifiers, we use ___________ transformer for impedance matching
The frequency response of transformer coupling is ___________
The purpose of RC or transformer coupling is to ___________
Transformer coupling is generally employed when load resistance is
The output of a microphone is rated at -52 db. The reference level is 1V under specified conditions. What is the output voltage of this microphone under the same sound conditions?
___________ coupling provides the maximum voltage gain