Question

There are two long parallel wires that have same directions of currents with a separation 4 m from each other. One wire with a current of 2 A intersects the origin and the other one with a current of 4 A intersects the x axis ( horizontal axis) at x = 4 m. Find the magnitude of the net magnetic field at x= 1 m.

Answer #1

As shown in the figure below, two long parallel wires (1 and 2)
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