Question: A 1 2 0 mV source with internal resistance Rs = 1 k drives the amplifier that has terminal gain Av = vo / vi

A 120 mV source with internal resistance Rs =1 k drives the amplifier that has terminal gain Av = vo /vi =10. The output voltage is 800 mV. What is the amplifier's input resistance Ri? Provide your answer in k.

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