An amplifier without feedback has a voltage gain of 50,input resistan – McqOptions

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1.	An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is
A.	1/11KΩ
B.	1/5KΩ
C.	5KΩ
D.	11KΩ
Answer» B. 1/5KΩ

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