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Four very long, current-carrying wires in the same plane intersect to form a square with side...

Four very long, current-carrying wires in the same plane intersect to form a square with side lengths of 50.0 cmcm , as shown in the figure (Figure 1). The currents running through the wires are 8.0 AA, 20.0 AA, 10.0 AA, and III.

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