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In deriving ac equivalent circuit for an amplifier circuit we short...

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Analog Electronics
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In deriving ac equivalent circuit for an amplifier circuit we short circuit

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Correct Answer: Option D
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Sheikh Abdul
Sheikh Abdul 5 years ago
To know the actual behavior of the AC amplifier circuit we have to convert this circuit in Vin to Vout form.
For that purpose, we have to do
1. Short all DC source
2. Short all Capacitors
as for AC frequency(50hz,60) never become zero so
Xc=1/2pifc= 0(approximately)
zero means short all capacitors
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