[{"n": "Displacement current density", "u": "/e/electricity-and-magnetism/displacement-current-density/", "s": "Time-varying electric field acting as a magnetic field source."}, {"n": "Electric-field screening", "u": "/e/electricity-and-magnetism/electric-field-screening/", "s": "Screening damps electric fields via mobile charge carriers."}, {"n": "Electric dipole moment", "u": "/e/electricity-and-magnetism/electric-dipole-moment/", "s": "Measure of charge separation in a system."}, {"n": "Electric displacement field", "u": "/e/electricity-and-magnetism/electric-displacement-field/", "s": "Auxiliary vector field in Maxwell's equations combining electric field and polarization."}, {"n": "Electric flux", "u": "/e/electricity-and-magnetism/electric-flux/", "s": "Electric flux measures the electric field crossing a surface."}, {"n": "Electric potential energy", "u": "/e/electricity-and-magnetism/electric-potential-energy/", "s": "Potential energy from conservative Coulomb forces in charge configurations."}, {"n": "Electric power", "u": "/e/electricity-and-magnetism/electric-power/", "s": "Electric power is the rate of electrical energy transfer."}, {"n": "Electric susceptibility", "u": "/e/electricity-and-magnetism/electric-susceptibility/", "s": "Dimensionless constant measuring dielectric polarization response."}, {"n": "Electrical conductor", "u": "/e/electricity-and-magnetism/electrical-conductor/", "s": "Material enabling electric current flow via charge carriers."}, {"n": "Electrical reactance", "u": "/e/electricity-and-magnetism/electrical-reactance/", "s": "Opposition to alternating current by inductance and capacitance."}, {"n": "Electrical resistivity and conductivity", "u": "/e/electricity-and-magnetism/electrical-resistivity-and-conductivity/", "s": "Resistivity measures opposition to current; conductivity is its reciprocal."}, {"n": "Electrode", "u": "/e/electricity-and-magnetism/electrode/", "s": "Electrodes are conductors contacting nonmetallic circuit parts in cells."}, {"n": "Electromagnetic four-potential", "u": "/e/electricity-and-magnetism/electromagnetic-four-potential/", "s": "Relativistic four-vector combining electric and magnetic potentials."}, {"n": "Electromagnetic wave equation", "u": "/e/electricity-and-magnetism/electromagnetic-wave-equation/", "s": "Equation describing electromagnetic wave propagation through space or media."}, {"n": "Electromagnetism", "u": "/e/electricity-and-magnetism/electromagnetism/", "s": "One of four fundamental forces governing atomic and molecular interactions."}, {"n": "Electrostatic induction", "u": "/e/electricity-and-magnetism/electrostatic-induction/", "s": "Redistribution of charge in an object by nearby charges."}, {"n": "Elementary charge", "u": "/e/electricity-and-magnetism/elementary-charge/", "s": "Fundamental constant defining the charge of an electron."}, {"n": "Faraday's law of induction", "u": "/e/electricity-and-magnetism/faraday-s-law-of-induction/", "s": "Law describing how changing magnetic fields induce electric currents."}, {"n": "Ground (electricity)", "u": "/e/electricity-and-magnetism/ground-electricity/", "s": "A reference point for voltage and a safety path for current."}, {"n": "Hall effect", "u": "/e/electricity-and-magnetism/hall-effect/", "s": "Transverse voltage from current and perpendicular magnetic field."}, {"n": "Impedance of free space", "u": "/e/electricity-and-magnetism/impedance-of-free-space/", "s": "Physical constant relating electric and magnetic fields in free space."}, {"n": "Insulator (electricity)", "u": "/e/electricity-and-magnetism/insulator-electricity/", "s": "Material that resists electric current flow."}, {"n": "Kirchhoff's circuit laws", "u": "/e/electricity-and-magnetism/kirchhoff-s-circuit-laws/", "s": "Two equalities governing current and voltage in electrical circuits."}, {"n": "Lenz's law", "u": "/e/electricity-and-magnetism/lenz-s-law/", "s": "Induced current opposes the change in magnetic flux."}, {"n": "Joule heating", "u": "/e/electricity-and-magnetism/joule-heating/", "s": "Electric current through a conductor generates heat."}]