Question

A common emitter amplifier has a voltage gain of 50, an input impedance of 100 ohm and an output impedence of 200 ohm . The power gain of the amplifier is

Answer 1

Answer:

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Explanation:

Voltage gain is given as 50 and resistance gain is 2. Therefore, current gain is found to be 25. But, we know P=VI. Hence, the power gain of the amplifier is 1250.

Answer: 1250

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