3. The circuit below contains an ideal op-amp. Find the voltage $v_o$ and current $i_o$. (Answer: $v_o = -2$ V)
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We'll call the node between the 8kΩ resistor and the 2kΩ resistor node A, the node between the 2kΩ resistor and the 5kΩ resistor node B, and the node between the 5kΩ resistor and the 92Ω resistor node C. Next, let's analyze the circuit using Kirchhoff's laws. Show more…
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