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Q#1
Amplifiers
GATE EC 2003
MCQ
+2 marks
-0.66 marks
An amplifier without feedback has a voltage gain of 50, input resistance of 1 KΩ and output resistance of 2.5 KΩ. The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2, is
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