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Standard XIII
Physics
Transistor as an Amplifier
What is trans...
Question
What is transistor gain?
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Solution
The transistor gain
A
p
is also referred to as the product of the voltage and current gains.
Power gain has no dimensions because it is a ratio of two different values having same dimensions.
The ratio of the change in collector current and the change in base current in CE transistors is known as the current gain.
The formula for current gain
β
=
∆
I
c
∆
I
b
⇒
β
=
i
c
i
b
where
i
c
is the change in collector current and
i
b
is the change in base current of the transistor.
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