Electricity And Magnetism 1-24
24 entries in the Electricity And Magnetism compendium.
Displacement current densityTime-varying electric field acting as a magnetic field source.Electric-field screeningScreening damps electric fields via mobile charge carriers.Electric dipole momentMeasure of charge separation in a system.Electric displacement fieldAuxiliary vector field in Maxwell's equations combining electric field and polarization.Electric fluxElectric flux measures the electric field crossing a surface.Electric potential energyPotential energy from conservative Coulomb forces in charge configurations.Electric powerElectric power is the rate of electrical energy transfer.Electric susceptibilityDimensionless constant measuring dielectric polarization response.Electrical conductorMaterial enabling electric current flow via charge carriers.Electrical reactanceOpposition to alternating current by inductance and capacitance.Electrical resistivity and conductivityResistivity measures opposition to current; conductivity is its reciprocal.ElectrodeElectrodes are conductors contacting nonmetallic circuit parts in cells.Electromagnetic four-potentialRelativistic four-vector combining electric and magnetic potentials.Electromagnetic wave equationEquation describing electromagnetic wave propagation through space or media.ElectromagnetismOne of four fundamental forces governing atomic and molecular interactions.Electrostatic inductionRedistribution of charge in an object by nearby charges.Elementary chargeFundamental constant defining the charge of an electron.Faraday's law of inductionLaw describing how changing magnetic fields induce electric currents.Ground (electricity)A reference point for voltage and a safety path for current.Hall effectTransverse voltage from current and perpendicular magnetic field.Impedance of free spacePhysical constant relating electric and magnetic fields in free space.Insulator (electricity)Material that resists electric current flow.Kirchhoff's circuit lawsTwo equalities governing current and voltage in electrical circuits.Lenz's lawInduced current opposes the change in magnetic flux.
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