The subsequent problems deal with the circuit below where all voltage sources are dc and the circuit is assumed to be in steady state. Also, R1 = R2 = R3 = R4 = R.
I2 =
A. V1 / R
B. (V1 + V2 ? V3) / 2R
C. 2(V1 + V2 ? V3) / 3R
D. V1 / 2R
E. 2V1 / 3R
Answer: E
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