Question: A negative feedback amplifier has a closed loop gain of Af = 1 0 0 and open loop gain of A = 1 0 ^

A negative feedback amplifier has a closed loop gain of Af=100 and open loop gain of A=10^5. What is the feedback factor ? If a manufacturing error results in a reduction of A to 10^3, what closed loo gain results? What is the percentage change in Af corresponding to this factor of 100 reduction in A?

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