Determine I1, 12, and 13, given that &, = 5 V, Ɛ2 = 10 V, E3 = 12 V, R1 = 2 0, R2 = 3 0, and R3 = 4 Q R, |1 = direction (left or right): 12 = direction (left or right): I3 = direction (left or right):
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