1. The figure below shows two very long straight wires (in cross section) that e

Question

1. The figure below shows two very long straight wires (in cross section) that each carry a current of 3.80 A directly out of the page. Distance d1 = 6.20 m and distance d2 = 4.00 m. What is the magnitude of the net magnetic field at point P, which lies on a perpendicular bisector to the wires?

2. In the figure below, five long parallel wires in an xy plane are separated by distance d = 40.0 cm. The currents into the page are i1 = 1.50 A, i3 = 0.30 A, i4 = 3.50 A and i5 = 2.50 A; the current out of the page is i2 = 4.50 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires?

Explanation / Answer

The figure below shows two very long straight wires (in cross section) that carry currents of 3.8 A

. Distance d1 = 6.20 m and distance d2 = 4.00 m. What is the magnitude of the net magnetic field at point P, which lies on a perpendicular bisector to the wires?

Thus i got net magnetic field e=7.378

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