![]() The "claim to fame" for the Helmholtz coil is its very uniform magnetic field. As shown in the equation above, the strength of the magnetic field is dependent upon three quantities: In the case of the Helmholtz coils, the field points of interest are located in the mid-plane between the two coils. The strength of magnetic field is measured at a point in space (often called the field point). A charge moving in space is called a "current" (denoted by the symbol I) and is measured in coulombs/sec or amperes. German scientist and philosopher who made fundamental contributions to physiology, optics, electrodynamics, mathematics, and meterology.Ī pair of conducting circular coils each having N turns, each carrying a current I, separated by a distance equivalent to the radius of the circular loops, produce a homogeneous magnetic field B in the mid-plane between the two circular coils.Ī magnetic field is created whenever charge is in motion-either moving in space or spinning around itself. Helmholtz Coil Introduction of Helmholtz Coil: ![]()
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