efficiency of working circuit
91Presidency of Barack Obama — 44th President of the United States Incumbent Assumed office January …
92Radio-controlled car — HPI E Savage, Tamiya Wild Willy 2, Kyosho Mini Z Monster, and Team Losi Micro T Radio controlled (or R/C) cars are self powered model cars or trucks that can be controlled from a distance using a specialized transmitter. The term R/C has been… …
93Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …
94Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
95Electric 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… …
96aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
97Computer architecture — In computer science and engineering, computer architecture is the practical art of selecting and interconnecting hardware components to create computers that meet functional, performance and cost goals and the formal modelling of those systems.… …
98Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …
99Law and economics — Law and Economics, or economic analysis of law is an approach to legal theory that applies methods of economics to law. It includes the use of economic concepts to explain the effects of laws, to assess which legal rules are economically… …
100Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
