Q. An amplifier without feedback has a voltage gain of 50, input resistance of 1 KΩ & Output resistance of 2.5KΩ. The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is

(A) 1/11KΩ
(B) 1/5KΩ
(C) 5KΩ
(D) 11KΩ

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✅ Correct Answer: (A) 1/11KΩ

Published by Team MCQ Buddy ⭐ 29.09K Points at 08-May-2023 08:34 pm in Analog Electronics

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