Physics

Physics

Problem

At a point where four wires meet, currents of 2.5 A2.5\,\text{A} and 0.80 A0.80\,\text{A} enter the junction, while currents of 0.60 A0.60\,\text{A} and I4I_4 leave the junction. Determine the value of I4I_4.

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