Magnetic scalar potential, ψ, is a quantity in classical electromagnetism analogous to electric potential. It is used to specify the magnetic H-field...

only as a scalar potential. Instead, the electric field can be expressed as both the scalar electric potential and the magnetic vector potential. The electric...

The magnetic vector potential, A {\displaystyle \mathbf {A} } , is a vector field, and the electric potential, ϕ {\displaystyle \phi } , is a scalar field...

Magnetic potential may refer to: Magnetic vector potential, the vector whose curl is equal to the magnetic B field Magnetic scalar potential, the magnetic...

four-potential is conventionally taken to be the electric scalar potential, and the other three components make up the magnetic vector potential. While...

In mathematical physics, scalar potential describes the situation where the difference in the potential energies of an object in two different positions...

Magnetic scalar potential SI electromagnetism units – common units used in electromagnetism Orders of magnitude (magnetic field) – list of magnetic field...

Magnetic current is, nominally, a current composed of moving magnetic monopoles. It has the unit volt. The usual symbol for magnetic current is k {\displaystyle...

physical field, varying in space and time, that represents the electric and magnetic influences generated by and acting upon electric charges. The field at...

{\displaystyle \mathbf {H} } due to free currents, there exists a magnetic scalar potential such that H ( r ) = − ∇ ψ . {\displaystyle {\mathbf {H} }({\mathbf...

of a degree and order 12 spherical harmonic expansion of the magnetic scalar potential of the geomagnetic main field generated in the Earth's core. Apart...

gradient of a certain scalar function, called a scalar potential. The potential energy is related to, and can be obtained from, this potential function. There...

flows is the gyrator–capacitor model. Magnetic reluctance is a scalar extensive quantity. The unit for magnetic reluctance is inverse henry, H−1. The...

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of...

formulations. Versions of Maxwell's equations based on the electric and magnetic scalar potentials are preferred for explicitly solving the equations as a boundary...

thermoelectric effect. Since it is the difference in electric potential, it is a physical scalar quantity. A voltmeter can be used to measure the voltage between...

Electromagnetic or magnetic induction is the production of an electromotive force (emf) across an electrical conductor in a changing magnetic field. Michael...

permanent magnets is a conservative field of the magnetic scalar potential. This means any magnetic object which moves in a closed-loop path in the field...

Typically μ would be a scalar, but for an anisotropic material, μ could be a second rank tensor. However, inside strong magnetic materials (such as iron...

evidence that the ancient Chinese, Mayan, and potentially even Egyptian civilizations knew that the naturally magnetic mineral magnetite had attractive properties...

its electric charge, or other factors Magnetic vector potential Magnetic scalar potential (ψ) Electric potential, the amount of work needed to move a unit...

reduces to Laplace's equation for the magnetic scalar potential , ∇ 2 ψ = 0 {\displaystyle \nabla ^{2}\psi =0} A potential that does not satisfy Laplace's equation...

r = (x, y, z), taking the position of the Q charge at r = (0,0,0), the scalar r = |r| is the norm of the position vector, ds = differential displacement...

direction of magnetic field is given by the product of the magnetic field and the area element. More generally, magnetic flux Φ is defined by a scalar product...

{S} .} From the definition of the magnetic vector potential A and the fundamental theorem of the curl the magnetic flux may also be defined as: Φ B =...

component is the derivative of the same scalar function called the magnetic potential. Analyses of the Earth's magnetic field use a modified version of the...

{H} =-\nabla \Phi _{M},} where Φ M {\displaystyle \Phi _{M}} is a scalar potential.: 192  Substituting this in Gauss's law gives ∇ 2 Φ M = ∇ ⋅ M . {\displaystyle...

expressed in terms of the electric scalar potential φ {\displaystyle \varphi } and the magnetic vector potential A through the relations: E = − ∇ φ −...

fictitious velocity-dependent Coriolis force, which is not captured by the scalar potential field.) For quite some time, Earnshaw's theorem posed a startling question...

{m} }{r^{3}}}\right].} Alternatively one can obtain the scalar potential first from the magnetic pole limit, ψ ( r ) = m ⋅ r 4 π r 3 , {\displaystyle \psi...