The subsequent problems deal with the circuit below where the op amps are LM741's powered by a ±15 V power supply. Assume R1 = R2 = R3 = R4 = R. Assume the op amps are ideal.
If V1 = 1 V, V2 is
A. ?1 V
B. 0 V
C. 2 V
D. ?2 V
E. 1 V
Answer: C
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