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  • What is the voltage gain in a common emitter amplifier, where input resistance is a

What is the voltage gain in a common emitter amplifier, where input resistance is \mathrm{3\Omega } and load resistance \mathrm{24\Omega } ? Take \mathrm{\beta =0.6}.

Option: 1

8.4


Option: 2

4.8


Option: 3

2.4


Option: 4

1.2


Answers (1)

best_answer

Given that,

\mathrm{R_L=24 \Omega\; and\; R_I=3 \Omega}

\mathrm{\therefore\; Resistance\; gain =\frac{R_{\mathrm{L}}}{R_1}=\frac{24}{3}=8}

\mathrm{\therefore\; Voltage \; gain = current gain \times resistance\; gain }

\mathrm{=0.6 \times 8=4.8 }

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manish

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