In a common emitter amplifier configuration, the current gain is 62. The collector resistance and input resistance are 5 kΩ and 500 Ω respectively. If the input voltage is 0.01 V, the output voltage will be (a) 0.62 V (b) 6.2 V (c) 62 V (d) 620 V

Answer: (b). AV = β (RC)/(Ri) = 62 × (5000)/(500) = 620 Vo = AV Vi = 620 × 0.01 = 6.2 V So the answer is (b) 6.2 V.

In a common emitter amplifier configuration, the current gain is 62… | MHT CET 2025 (25 Apr, Shift 2)

Q31MHT CET 2025 · 25 APR · SHIFT 2Medium

Junction Transistor

In a common emitter amplifier configuration, the current gain is 62. The collector resistance and input resistance are $5\text{ k}\Omega$ and $500\ \Omega$ respectively. If the input voltage is 0.01 V, the output voltage will be

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Answer: (b)

$A_V = \beta \dfrac{R_C}{R_i} = 62 \times \dfrac{5000}{500} = 620$
$V_o = A_V V_i = 620 \times 0.01 = 6.2$ V
So the answer is (b) 6.2 V.

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