Physics
Articles about matter, energy, forces and physical laws.
Electric arc
Electric charge
Electric charge is a fundamental property of matter carried by subatomic particles; it determines electromagnetic interactions, governs static electricity and electric currents, an
Electric current
Electric field
Electric field: concept, laws, history and practical applications
Electric flux
Electric Flux: Definition, Surface Integrals, Units, and Relation to Gauss's Law
Electric potential
Electric power
Electric power: definition, units, and applications
Electrical conductivity
Electrical conductor
Electrical energy
Electrical energy: definition, units, storage, and applications
Electrical filament
Electrical filament: function, materials, history, and uses
Electrical impedance
Electrical resistance
Electrical Resistance: Definition, Causes, Laws, and Practical Roles
Electricity
Electricity: Principles, Generation, Transmission, Uses, and Safety
Electrocution
Electrocution: causes, effects, prevention, and history
Electroluminescence
Electromagnetic induction
Electromagnetic radiation
Electromagnetic spectrum
Electromagnetism
Electron
Electron: properties, history, behavior and applications
A concise encyclopedia entry on the electron: its identity as an elementary charged particle, discovery, role in atoms and electricity, key properties and major uses in science and
Electron cloud
Electron cloud (atomic orbital model)
Electron hole
Electron hole (quasiparticle in solids)
Electronvolt
Electrostatics
Elementary particle
A concise, neutral overview of elementary (fundamental) particles: definitions, classification, key properties, historical development, examples and their roles in physics.
Ell
Ell (unit of length)
Energy
Energy: concepts, forms, history, and uses
Energy is the capacity to produce change or do work. This article explains physical definitions, common forms, conservation laws, resources, conversion and storage, applications, a
Energy level
Energy transfer
Entanglement
Entropy
EPR paradox
Equilibrium
Erg
Escape velocity
Event horizon
Exciton
Exciton: the electron–hole quasiparticle in solids
Exotic atom
Exotic atom — atoms with unusual constituent particles
Explosion
Explosion (rapid energy release)
Fahrenheit
Fall (motion)
Farad
Farad (F): the SI unit of electrical capacitance
Faraday cage
Faraday cage: principles, history, and practical uses
Faraday's law of induction
Femtosecond
Femtosecond: the 10⁻¹⁵ second and ultrafast phenomena
Fermi-Dirac statistics
Fermilab
Fermilab (Fermi National Accelerator Laboratory)