working alternating current
71Defibrillation — View of defibrillator electrode position and placement. Defibrillation is a common treatment for life threatening cardiac arrhythmias, ventricular fibrillation and pulseless ventricular tachycardia. Defibrillation consists of delivering a… …
72transistor — /tran zis teuhr/, n. 1. Electronics. a semiconductor device that amplifies, oscillates, or switches the flow of current between two terminals by varying the current or voltage between one of the terminals and a third: although much smaller in… …
73NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …
74Henry Alonzo House — (April 23 1840 December 18 1930) was an American inventor who developed machinery and processes that have had a lasting impact on several industries.Early lifeHouse was born in Brooklyn, New York, the youngest son of Ezekiel House, an architect… …
75Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
76Electrolytic capacitor — An electrolytic capacitor is a type of capacitor that uses an ionic conducting liquid as one of its plates. Typically with a larger capacitance per unit volume than other types, they are valuable in relatively high current and low frequency… …
77Nelson River Bipole — Map of all coordinates from Google Map of all coordinates from Bing Export all coordinates as KML …
78Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… …
79Nondestructive testing — or Non destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.[1] The terms Nondestructive examination (NDE),… …
80British Rail Class 357 — Electrostar Class 357 006 at West Ham in the new National Express c2c livery …
