First slide

Transistor

Question

In a transistor in CE configuration, the ratio of power gain to voltage gain is

Moderate

A

$α$
B

$β / α$
C

$βα$
D

$β$

Solution

For CE configuration voltage gain= $β \times R_{L} / R_{i}$
Power gain = $β^{2} \times R_{L} / R_{i} \Rightarrow \frac{power gain}{Voltage gain} = β$

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