Consider an infinite sheet of parallel wires. The sheet lies in the xy plane. A current I runs in the -y direction through each wire. There are N/a wires per unit length in the x direction. Write an expression for B(d), the magnetic field a distance d above the xy plane of the sheet. Use μ0 for the permeability of free space. Express the magnetic field as a vector in terms of any or all of the following: d, I, N, a, μ0, and the unit vectors i^, j^, and/or k^.
Consider an infinite sheet of parallel wires. The sheet lies in the xy plane. A current I runs in the -y direction through each wire. There are N/a wires per unit length in the x direction. Write an expression for B(d), the magnetic field a distance d above the xy plane of the sheet. Use μ0 for the permeability of free space. Express the magnetic field as a vector in terms of any or all of the following: d, I, N, a, μ0, and the unit vectors i^, j^, and/or k^.
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120. Consider an infinite sheet of parallel wires. The sheet lies in the xy plane. A current I runs in the -y direction through each wire. There are N/a wires per unit length in the x direction.
Write an expression for B(d), the magnetic field a distance d above the xy plane of the sheet.
Use μ0 for the permeability of free space.
Express the magnetic field as a vector in terms of any or all of the following: d, I, N, a, μ0, and the unit vectors i^, j^, and/or k^.
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