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Amplifiers – 8

8. In a voltage shunt negative feedback amplifier system, the input resistance Ri and the output resistance Ro of the basic amplifier are modified as follows :

(a) Ri is decreased and Ro increased
(b) both Ri and Ro are decreased
(c) both Ri and Ro are increased
(d) Ri is increased and Ro is decreased

Answer : (b)

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