An RC coupled amplifier has an open loop gain of 200 and a lower cutof – McqOptions

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1.	An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with Œ≤ = 0.1 is used, the lower cut off frequency will be
A.	about 50 Hz
B.	about 5 Hz
C.	about 2.38 Hz
D.	about 70.5 Hz
Answer» D. about 70.5 Hz

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