Electric displacement field — In physics, the electric displacement field, denoted as , is a vector field that appears in Maxwell s equations. It accounts for the effects of free charges within materials. D stands for displacement, as in the related concept of displacement… … Wikipedia
Electric car — An electric car is a type of alternative fuel car that utilizes electric motors and motor controllers instead of an internal combustion engine (ICE). The electric power is usually derived from battery packs in the vehicle.In general terms an… … Wikipedia
Electric current — Electromagnetism … Wikipedia
electric displacement — Elect. the part of the electric field that is determined solely by free charges, without reference to the dielectric properties of the surrounding medium: measured in coulombs per square meter. Symbol: D Also called displacement. [1880 85] * * *… … Universalium
Electricity meter — Typical North American domestic analog electricity meter … Wikipedia
Physical constant — A physical constant is a physical quantity that is generally believed to be both universal in nature and constant in time. It can be contrasted with a mathematical constant, which is a fixed numerical value but does not directly involve any… … Wikipedia
Hybrid electric vehicle — The Toyota Prius is the world s top selling hybrid car, with cumulative global sales of 2.36 million units by August 2011.[1] A hybrid electric vehicle (HEV) is a type of hybrid vehicle and electric vehicle which combines a conventional internal … Wikipedia
Cycling power meter — A cycling power meter is a device on a bicycle that allows measuring of the power output of the rider. Most cycling power meters use strain gauges to measure torque applied, and, combined with angular velocity, calculate power. The Technology was … Wikipedia
Dynamic demand (electric power) — Dynamic Demand is the name of a semi passive technology for adjusting load demands on an electrical power grid. (It is also the name of an independent not for profit organization in the UK supported by a charitable grant from the Esmée Fairbairn… … Wikipedia
solar constant — The strength of sunlight; 1353 watts per square meter in space and about 1000 watts per square meter at sea level at the equator at solar noon. Solar Electric Glossary … Energy terms
Hydro-Québec — Type Government owned corporation Industry Electric Utilities Founded … Wikipedia