AP EAMCET · PHYSICS · Semiconductors
The voltage gain and the current amplification factor of a transistor in common emitter configuration are 300 and 60 respectively. If the collector resistance is \(5 \mathrm{k} \Omega\), then the base resistance is
- A \(5 \mathrm{k} \Omega\)
- B \(25 \mathrm{k} \Omega\)
- C \(2 \mathrm{k} \Omega\)
- D \(1 \mathrm{k} \Omega\)
Answer & Solution
Correct Answer
(D) \(1 \mathrm{k} \Omega\)
Step-by-step Solution
Detailed explanation
\(R_b = \beta \frac{R_c}{A_v}\) \(R_b = 60 \times \frac{5 \, \mathrm{k}\Omega}{300}\) \(R_b = 1 \, \mathrm{k}\Omega\)
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