<p><strong>The typical transfer characteristics of a transistor in CE configuration is shown in figure. A load resistor of <math><mrow><mn>2</mn><mtext> </mtext><mi>k</mi><mtext> </mtext><mi>Ω</mi></mrow></math> is connected in the collector branch of the circuit used. The input resistance of the transistor is <math><mrow><mn>0</mn><mo>.</mo><mn>5</mn><mn>0</mn><mtext> </mtext><mi>k</mi><mtext> </mtext><mi>Ω</mi><mo>.</mo></mrow></math> The voltage gain of the transistor is________.</strong></p>

Voltage gain = ΔlCΔlB×RCRB5×10−3100×10−6×20.5= 200

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Physics Class 12th Semiconductor Electronics Physics NCERT Exemplar Solutions Class 12th Chapter Fourteen

The typical transfer characteristics of a transistor in CE configuration is shown in figure. A load resistor of $2 k Ω$ is connected in the collector branch of the circuit used. The input resistance of the transistor is $0.50 k Ω .$ The voltage gain of the transistor is________.

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alok kumar singh | Contributor-Level 10

2 months ago

Voltage gain = $\frac{Δ l_{C}}{Δ l_{B}} \times \frac{R_{C}}{R_{B}}$

$\frac{5 \times 1 0^{- 3}}{100 \times 1 0^{- 6}} \times \frac{2}{0.5}$

= 200

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