Question

For the following circuit, assuming the op-amp is ideal, find the current through the load (IL) if V1=3.4V, V2=2V, R1=1.9K9,

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Answer #1

Given circuit is R4 (39) (1K) R3 2V Vz Vy + Rel1.9K) RI 1.9K VI R2 7.15 3.44 Ve VA2- Vi x Yolk - 3.487.1K qK 9K = 2.682 voltsNow Vo= We have to find the output voltage Vix ( 14 ) + v2(- 2.682 (14 39k) - (-32) Ru R3 2.687(40) +18 Vo= 185.28 요 vo 185.2Now to find the input reistence for source Vy R4 (396) R3(1K) 6 =12 + RI 1.9k RL 11.9K) vi 3.4 =V, R2 FIK Voltage at Node Ue

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