94.29: Four infinitely long wires are arranged as shown in the accompanying figu
zsstqu /93il: :tb/ ayre’s end-on view. All four wires are perpendicular to the plane of the page and have the same magnitude of c
/a9sq3l:bi :zsuty/t urrent I. The conventional current in the wire in the upper right-hand corner is directed into the plane of the page. The other conventional currents are out of the plane of the page. Point P is a distance a from all four wires. What is the total magnetic field at point P?