1.
A gain of 1000 times in voltage is expressed by_______________?

2.
The upper or lower cut off frequency is also called______________frequency?

3.
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 ?

4.
The number of stages that can be directly coupled is limited because___________?

5.
The bandwidth of a single stage amplifier is_____________that of a multistage amplifier?

6.
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?

7.
If the power level of an amplifier reduces to half, the db gain will fall by___________?

8.
In the initial stages of a multistage amplifier, we use______________?

9.
A gain of 1,000,000 times in power is expressed by_____________?

10.
In transistor amplifiers, we use_____________transformer for impedance matching?

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