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In a transistor connected in a common em...

In a transistor connected in a common emitter mode it has, `R_(c)=4kOmega, R_(i)=1kOmega, I_(c)=1mA and I_(b)= 20 muA.` Find the voltage gain.

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`beta=I_c//I_b=10^(-3)//(20xx10^(-6))=50,`
Voltage gain, `A_(V)=betaR_c/R_(i)=50xx4000/1000=200`
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