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In a common emitter transistor amplifier, the input resistance is $R_i = 500 \, \Omega$ and the output resistance is $R_o = 50 \, \text{k}\Omega$. If the current gain is $\beta = 50$, the voltage gain of the amplifier is
- A.$5000$
- B.$2500$
- C.$1000$
- D.$500$
Show correct answer & step-by-step solution
Correct answer: A — $5000$
Solution
The voltage gain is calculated as . Substituting the given values, .
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