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In a common emitter amplifier the load r...

In a common emitter amplifier the load resistance of the output circuit is `792` times the resistance of the input circuit. If `alpha = 0.99`. The voltage gain is.

A

`79200`

B

`39600`

C

`7920`

D

`3960`

Text Solution

Verified by Experts

The correct Answer is:
A
`beta =(alpha)/(1 -alpha),A_(v)=beta(R_(L))/(R_(i))`.
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