1.
The number of stages that can be directly coupled is limited because

2.
If the power level of an amplifier reduces to half, the db gain will fall by .

3.
A current amplification of 2000 is a gain of ___________

4.
RC coupling is not used to amplify extremely low frequencies because

5.
The gain of an amplifier is expressed in db because ___________

6.
The lower and upper cut off frequencies are also called ___________ frequencies

7.
Transformer coupling is used for ___________ amplification

8.
RC coupling is used for ___________ amplification

9.
A radio receiver has ___________ of amplification

10.
In the initial stages of a multistage amplifier, we use ___________

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