Question: 6 . A . Derive expressions for closed loop gain, input impedance and output impedance for a voltage series feedback system. ( 3 Marks )

6. A. Derive expressions for closed loop gain, input impedance and output impedance for a voltage series feedback system. (3 Marks)
B. For a given amplifier, the open loop gain A is -2000. The feedback gain \(\beta \) is -0.1, which has a gain change of \(20\%\) due to temperature, Calculate the change in overall gain of the feedback amplifier. (2 Marks)
6 . A . Derive expressions for closed loop gain,

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