Dictionary:Magnetic potential

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The product of the current and the solid angle subtended by a coil divided by 4π (a sphere subtends the angle 4π). If there are several coils, their individual magnetic potentials (which are scalars) are added. The magnetizing force H is the negative gradient of the magnetic potential, a scalar representing the work done against the magnetic field to bring a unit magnetic pole to the point. A magnetic vector potential is a vector field whose curl gives the magnetic induction.