An amplifier has an open loop gain of 100, an input impedance of 1k&ohm;, and an out put impedance of 100 &ohm;. If a feedback network with a feedback factor of 0.99 is connected in a voltage series feedback mode then new input and output impedances are

An amplifier has an open loop gain of 100, an input impedance of 1k&oh

1.	An amplifier has an open loop gain of 100, an input impedance of 1kΩ, and an out put impedance of 100 Ω. If a feedback network with a feedback factor of 0.99 is connected in a voltage series feedback mode then new input and output impedances are
A.	10 &ohm; and 1 &ohm;
B.	10 &ohm; and 10 k &ohm;
C.	100 k &ohm; and 1 &ohm;
D.	100 k&ohm; 10 k &ohm;
Answer» D. 100 k&ohm; 10 k &ohm;

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An amplifier has an open loop gain of 100, an input impedance of 1kΩ, and an out put impedance of 100 Ω. If a feedback network with a feedback factor of 0.99 is connected in a voltage series feedback mode then new input and output impedances are

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