# Electric field/Related Articles

From Citizendium, the Citizens' Compendium

*See also changes related to Electric field, or pages that link to Electric field or to this page or whose text contains "Electric field".*

## Parent topics

## Subtopics

- Electric charge [r]: A positive or negative property of matter that occurs as integral multiples of an elementary charge unit, and causes mutual repulsion of like-charged particles and mutual attraction of oppositely charged particles.
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## Bot-suggested topics

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- Clausius-Mossotti relation [r]: connects the relative permittivity ε
_{r}of a dielectric to the polarizability α of the atoms or molecules constituting the dielectric.^{[e]} - Coulomb's law [r]: An inverse-square distance law, like Newton's gravitational law, describing the forces acting between electric point charges; also valid for the force between magnetic poles.
^{[e]} - Dielectric [r]: an insulating, but polarizable, material that can be solid, liquid or gas; its important characterizing property is the relative permittivity (aka dielectric constant).
^{[e]} - Displacement current [r]: Time derivative of the electric displacement
**D**; Maxwell's correction to Ampère's law.^{[e]} - Divergence [r]: A first order differential vector operator acting on a vector field resulting in a scalar function.
^{[e]} - Dyne [r]: Force in cgs system; symbol: dyn; 1 dyn = 10
^{−5}N.^{[e]} - Electric constant [r]: A physical constant in the International System of Units (SI) relating capacitance to area in classical vacuum with an exact value
*ε*= 10_{0}^{7}/(4πc_{0}^{2}) F/m,*c*being the defined value for the speed of light in classical vacuum in the SI units._{0}^{[e]} - Electricity [r]: The flow or presence of electric charge; the flow of electricity is an important carrier of energy.
^{[e]} - Electromagnetic wave [r]: A change, periodic in space and time, of an electric field
**E**(**r**,t) and a magnetic field**B**(**r**,t); a stream of electromagnetic waves, referred to as electromagnetic radiation, can be seen as a stream of massless elementary particles, named photons.^{[e]} - Force [r]: Vector quantity that tends to produce an acceleration of a body in the direction of its application.
^{[e]} - Gauss' law (electrostatics) [r]: Relates the surface integral of the electric displacement through a closed surface to the electric charge enveloped by the closed surface.
^{[e]} - Gaussian units [r]: A centimeter-gram-second system of units often used in electrodynamics and special relativity.
^{[e]} - Geophysical MASINT [r]: A branch of measurement and signature intelligence that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and magnetic field or ionosphere disturbances.
^{[e]} - Helmholtz decomposition [r]: Decomposition of a vector field in a transverse (divergence-free) and a longitudinal (curl-free) component.
^{[e]} - International System of Units [r]: Metric unit system based on the metre, kilogram, second, ampere, kelvin, mole and candela.
^{[e]} - Lightning [r]: An atmospheric discharge of electricity accompanied by thunder, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms.
^{[e]} - Lorentz force [r]: Force on an electrically charged particle that moves through a magnetic and an electric field.
^{[e]} - Magnetic field [r]: Vector field
**H**caused by permanent magnets, conduction currents, and displacement currents.^{[e]} - Maxwell equations [r]: Mathematical equations describing the interrelationship between electric and magnetic fields; dependence of the fields on electric charge- and current- densities.
^{[e]} - Molecular Hamiltonian [r]: Quantum mechanical operator describing the energy associated with motions and interactions of the electrons and nuclei that constitute a molecule.
^{[e]} - Ohm's Law [r]:
*Add brief definition or description* - Polarizability [r]: The ease by which a charge-distribution polarizes; describes the amount of charge separation caused by an electric field.
^{[e]} - Relative permittivity [r]: A factor describing the polarizability of a material or medium as a proportionality between an electric displacement and an electric field in a dielectric.
^{[e]} - Rotating wave approximation [r]: An approximation used in atom optics and magnetic resonance.
^{[e]} - Speed of light [r]: A physical constant
*c*describing the speed of electromagnetic radiation in vacuum. In the International System of Units the metre is the distance light travels in classical vacuum in 1/*c*seconds, using the defined value*c = c*≡ 299 792 458 m/s (exact)._{0}^{[e]} - Stark effect [r]: The shifting and splitting of spectral lines of atoms and molecules due to the presence of an external static electric field.
^{[e]} - Statcoulomb [r]: Unit of electric charge in cgs-esu units: 1 statC = C/(10⋅
*c*), with*c*the speed of light in m/s.^{[e]} - Statvolt [r]: Unit of electric voltage; symbol statV; 1 statV = 10
^{−6}×*c*volt;*c*speed of light in m/s.^{[e]} - Vector field [r]: A vector function on the three-dimensional Euclidean space .
^{[e]} - Volt [r]: SI unit of electrical potential; symbol V; 1 V = 1 W/A = 1 J/C.
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