TS EAMCET · Physics · Semiconductors
A common emitter transistor amplifier has a current gain of 50 . If the load resistance is \(4 \mathrm{k} \Omega\) and input resistance is \(500 \Omega\), the voltage gain of the amplifier is
- A \(100\)
- B \(200\)
- C \(300\)
- D \(400\)
Answer & Solution
Correct Answer
(D) \(400\)
Step-by-step Solution
Detailed explanation
\[ \begin{aligned} \beta=50, R_L=4 \mathrm{k} \Omega & =4000 \Omega \\ R_i & =500 \Omega \\ \beta & =\frac{I_c}{I_b} \end{aligned} \] Voltage gain of amplifier…
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