Find the current in fourth wire and indicate its direction

Reference no: EM13302225

Four wires meet at a junction. In two of the wires currents I1 = 1.55 A and I2 = 2.15 A enter the junction. In one of the wires current I3 = 6.43 A leaves the junction. Find the current in the fourth wire and indicate its direction?

Reference no: EM13302225

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