Q. What is current gain in RC coupled amplifier?
Current gain is the ratio of the output current to the input current.
we represent it as Ai.
Ai=Io/Is
it can also be represented as peak to peak values.
Ai = Iop-p/Isp - p.
Ai=Io / Is=(-hfb)Re*Rc/(Re+Ze)(Rc+Rl)