JEE Main · PhysicsMedium
In a common emitter transistor amplifier, the input resistance is and the output resistance is . If the current gain is , the voltage gain of the amplifier is:
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- The voltage gain is given by .
- Given , , and .
- .
- Hence the answer is (A).
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