All articles A–Z
519,064 articles
Electrical resistivity survey (archaeology)
Electrical resistivity survey is a geophysical method used in archaeology to map buried walls and ditches by measuring soil resistance to electric current, working best in moist, unfrozen ground.
Electrical resistivity tomography
Electrical resistivity tomography (ERT) is a geophysical imaging method that reconstructs subsurface electrical resistivity from electrode measurements, producing 2D sections and 3D volumes for hydrogeology, geotechnics, and environmental studies.
Electrical switching of antiferromagnetic order
Electrical switching of antiferromagnetic order is the use of electric current or voltage pulses to reverse the magnetic order of an antiferromagnet, demonstrated experimentally from 2016.
Electrical switching of antiferromagnetism in CuMnAs
Electrical switching of antiferromagnetism in CuMnAs is the reorientation of CuMnAs's antiferromagnetic order by current pulses, first demonstrated at room temperature by Wadley and colleagues in 2016.
Electrical switching of antiferromagnets
Electrical switching of antiferromagnets is the use of electric current or voltage, rather than magnetic fields, to reverse the Néel vector of antiferromagnets, demonstrated since 2016 in materials such as CuMnAs.
Electrical synapse
Electrical synapse (gap junction synapse): a neuron-to-neuron junction transmitting ionic current directly through connexin channels, mainly Cx36; fast, bidirectional, plastic, and about 20% of connections in C. elegans and rabbit retina circuits.
Electrical telegraph
The electrical telegraph, also called the electromagnetic or magnetic telegraph, sends written messages as coded pulses over wires; Cooke and Wheatstone patented the first practical system in 1837.
Electrical termination
Electrical termination is the practice of ending a transmission line with a load whose impedance matches the line, absorbing signal energy instead of reflecting it.
Electrical treeing
Electrical treeing is a pre-breakdown degradation process in which branching channels grow through solid electrical insulation, the primary failure mode of polymeric high-voltage cable insulation.
Electrical wiring
Electrical wiring, also known as building wiring, carries electricity from the supply to lights, appliances, and equipment in a building, governed by codes such as the US National Electrical Code.
Electrical wiring in the United Kingdom
Electrical wiring in the United Kingdom (UK electrical wiring) is governed by BS 7671, the IET Wiring Regulations, and is known for fused three-pin plugs and ring final circuits.
Electrical wiring interconnection system
An electrical wiring interconnection system (EWIS) is the system of wires, connectors, and protective devices installed in an airplane to transmit electrical energy and signals.
Electrically conductive adhesive (photovoltaics)
An electrically conductive adhesive (ECA) in photovoltaics is a polymer filled with conductive particles that bonds solar cells to copper ribbon while carrying current across the joint.
Electrically driven single-photon emitters in 2D semiconductors
Electrically driven single-photon emitters in 2D semiconductors are devices in which atomically thin WSe₂ emits one photon at a time in response to injected electrical charge rather than laser excitation.
Electrician
An electrician is a tradesperson who installs, maintains, and repairs electrical wiring, equipment, and fixtures in homes, businesses, and factories, working to building and safety codes, typically after a 4- or 5-year apprenticeship.
Électricité de France
Électricité de France (EDF) is a French state-owned electricity utility created in 1946, one of the world's largest producers of low-carbon power, serving 41.1 million customer sites.
Électricité du Laos
Électricité du Laos (EDL) is the state-owned electricity utility of Laos, founded in 1959, which drove national electrification and hydropower exports and later faced a debt crisis.
Electricity
Electricity is the set of physical phenomena associated with electric charge, the property of matter that makes objects attract or repel, including currents, fields, and static charge.
Electricity and Water Authority
The Electricity and Water Authority (Arabic: هيئة الكهرباء والماء) is Bahrain's government body for electricity and water services, created by royal decree in December 2007, replacing the Ministry of Electricity and Water.
Electricity Generating Authority of Thailand
The Electricity Generating Authority of Thailand (การไฟฟ้าฝ่ายผลิตแห่งประเทศไทย), commonly known as EGAT, is a Thai state enterprise established in 1968 that generates, transmits, and sells electricity.
Electricity Generating Public Company Limited
Electricity Generating Public Company Limited, known as EGCO Group, is a Thai power holding company founded by EGAT in 1992 as Thailand's first independent power producer.
Electricity generation
Electricity generation, also called electric power generation, converts primary energy sources like coal, natural gas, nuclear, sunlight, and wind into electrical power for the grid.
Electricity Generation Company of Bangladesh
The Electricity Generation Company of Bangladesh (EGCB) is a state-owned power generation company under the Bangladesh Power Development Board, operating four plants with 1,032 MW capacity.
Electricity liberalization
Electricity liberalization is the reform of a state-owned or monopoly electric power sector to open generation and retail supply to competition, first enacted in Chile in 1982.
Electricity market
An electricity market is an organized system where generators, suppliers, traders, and consumers buy and sell electric power, with prices set by auctions, contracts, or regulated tariffs.
Electricity Market Design reform
The Electricity Market Design reform is the European Union's 2024 revision of its electricity market rules, adopted after the 2022 energy crisis to reduce consumer bills' dependence on fossil fuel prices.
Electricity meter
An electricity meter, also called a kilowatt-hour or energy meter, is a device that measures electrical energy consumed by a customer in kilowatt-hours for billing.
Electricity pricing
Electricity pricing is how the price of electricity is set at wholesale and retail; since electricity cannot be stored in bulk, prices are set separately for each trading interval.
Electricity sector in Australia
The electricity sector in Australia centers on the National Electricity Market, launched in 1998, which serves the eastern and southern states and about 80% of national consumption.
Electricity sector in Canada
Canada's electricity sector generated 622.2 million MWh in 2024, over 60% from hydro, wind, and solar, with each province running its own system under its own jurisdiction.