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Consider a wire with the cross-sectional shape shown in Figure, having an oval- shaped axial hole. The wire segments on both sides of the hole

Consider a wire with the cross-sectional shape shown in Figure, having an oval- shaped axial hole. The wire segments on both sides of the hole carry uniform current densities J1 and J2 of equal magnitude JO and opposite sign. Find the magnetic field B at points P1 and P2 in the hole.

Figure Wire with oval-shaped hole.

Problem.

R J P d J R/2

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