alternating current rectifier
121H0 scale — Infobox Model Rail Scale name = H0 image filename = HO Scale Bachmann 44 tonner.jpg image caption = U.S. prototype model of an H0 scale (1:87) center cab switcher made by Bachmann shown with a pencil for size comparison. widthpx = 275px scale = 3 …
122Bridge (disambiguation) — A bridge is a structure built so that a transportation route can cross above an obstacle.Bridge can also refer to:In entertainment*Bridge (card game disambiguation), multiple card games *Bridge (instrument), the device that anchors the strings to …
123Electric power conversion — In electrical engineering, power conversion has a more specific meaning, namely converting electric power from one form to another. This could be as simple as a transformer to change the voltage of AC power, but also includes far more complex… …
124British Rail Class 306 — Infobox EMU name = British Rail Class 306 imagesize = 300px caption = The preserved Class 306 train (unit 017) as seen on the launch day of Network SouthEast. This view also shows the carriage which was not modified when the trains were converted …
125Valve (disambiguation) — A valve is a device that regulates the flow of fluids.Valve may also refer to: * Valve Corporation, a computer software/games company responsible for the best selling Half Life games * Valve hall, a building which contains the valves of the… …
126Vibrator (electronic) — In early electronics vibrators were used in inverter circuits to provide an alternating current (AC) electric power supply from a direct current (DC) source.The primary use for this type of circuit was for vacuum tube type automobile radios.… …
127rectify — /rek teuh fuy /, v.t., rectified, rectifying. 1. to make, put, or set right; remedy; correct: He sent them a check to rectify his account. 2. to put right by adjustment or calculation, as an instrument or a course at sea. 3. Chem. to purify (esp …
128Hewitt, Peter Cooper — ▪ American electrical engineer born May 5, 1861, New York, N.Y., U.S. died Aug. 25, 1921, Paris, France American electrical engineer who invented the mercury vapour lamp (mercury lamp), a great advance in electrical lighting. At an… …
