Current density information

electromagnetism, current density is the amount of charge per unit time that flows through a unit area of a chosen cross section. The current density vector is...

In electrochemistry, exchange current density is a parameter used in the Tafel equation, Butler–Volmer equation and other electrochemical kinetics expressions...

Wiktionary, the free dictionary. Current density Displacement current (electric) and Magnetic current § Magnetic displacement current Electric shock Electrical...

hydrodynamics and electric currents in electromagnetism. As in those fields, the probability current (i.e. the probability current density) is related to the...

Displacement current density has the same units as electric current density, and it is a source of the magnetic field just as actual current is. However...

electromagnetism, polarization density (or electric polarization, or simply polarization) is the vector field that expresses the volumetric density of permanent or induced...

electromagnetism, charge density is the amount of electric charge per unit length, surface area, or volume. Volume charge density (symbolized by the Greek...

tendency of an alternating electric current (AC) to become distributed within a conductor such that the current density is largest near the surface of the...

Current density imaging (CDI) is an extension of magnetic resonance imaging (MRI), developed at the University of Toronto. It employs two techniques for...

the cathodic partial current density ic (positive) and the anodic partial current density ia (negative) gives the net current density i: i = ic + ia In the...

of a few skin depths. The skin depth is the thickness at which the current density is reduced by 63%. Even at relatively low frequencies used for power...

In electromagnetism, an eddy current (also called Foucault's current) is a loop of electric current induced within conductors by a changing magnetic field...

Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through...

x} , J ( x ) {\displaystyle J(x)} is the current density at the point x {\displaystyle x} . The current density is parallel to the electric field by necessity...

there is a drift current) until the density gradient builds up enough for the diffusion current to exactly balance the drift current. So at equilibrium...

cross-sectional area of the disc and the current density. The equation for the on-axis magnetic flux density of a Bitter disc becomes much more complex...

of magnetic fields (B, H), electric fields (E, D), charge density (ρ), and current density (J) is described by Maxwell's equations. The role of the magnetization...

Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans...

_{\mathrm {f} }\times {\hat {\mathbf {n} }},} where Kf is the surface free current density and the unit normal n ^ {\displaystyle {\hat {\mathbf {n} }}} points...

the Sun. A small electrical current with a current density of about 10−10 A/m2 flows within this surface, forming a current sheet confined to this surface...

Relative density, also called specific gravity, is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance...

streams Convection current, flow caused by unstable density variation due to temperature differences Current (mathematics), geometrical current in differential...

functional or by the inclusion of additive terms, is a current research topic. Classical density functional theory uses a similar formalism to calculate...

defined as the ratio of the induced electric field to the product of the current density and the applied magnetic field. It is a characteristic of the material...