Consider the Amprian path going through the collection of current-carrying wires in Figure 28.19. If the magnitude

Consider the Ampèrian path going through the collection of current-carrying wires in Figure 28.19. If the magnitude of the current is the same in all the wires, is the line integral of the magnetic field along the Ampèrian path positive, negative, or zero?

Data from Figure 28.19

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5 3 Amprian path