Find the exact magnetic field a distance z above the center of a square loop of side
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Find the exact magnetic field a distance z above the center of a square loop of side w, carrying a current 1. Verify that it reduces to the field of a dipole, with the appropriate dipole moment, when z >> w.
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The field of one side is given by z2 w22 and sin 0 sin 0 B Eq 535 wi...View the full answer
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A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. The video shows the practical implications of magnetic force around different objects.
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