What is the voltage gain in a common em...

What is the voltage gain in a common emitter amplifier when the input resistance is 200 `Omega` and the load resistance is 1`K Omega` ? (`beta` = 50 )

100

150

200

250

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The correct Answer is:

Voltage gain `A_V=betaR_o/R_i=50xx1000/200`=250

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