inductive drop
31Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… …
32Fuse (electrical) — A miniature time delay fuse used to protect electronic equipment, rated 0.3 amperes at 250 volts. 1.25 inches (about 32 mm) long …
33Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …
34Boolean algebras canonically defined — Boolean algebras have been formally defined variously as a kind of lattice and as a kind of ring. This article presents them more neutrally but equally formally as simply the models of the equational theory of two values, and observes the… …
35Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …
36Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
37Light switch — A light switch is a switch, most commonly used to operate electric lights, permanently connected equipment, or electrical outlets.In modern homes most lights are operated using switches set in walls, usually 6 10 inches (15 25 cm) away from a… …
38Galileo Galilei — For other uses of Galileo , see Galileo (disambiguation). For other uses of Galileo Galilei , see Galileo Galilei (disambiguation) …
39Sherlock Holmes — Infobox character colour = #DEDEE2 name = Sherlock Holmes caption = A portrait of Sherlock Holmes by Sidney Paget from the Strand Magazine , 1891 first = last = cause = creator = Sir Arthur Conan Doyle portrayer = episode = Four novelsFifty six… …
40Flexible AC transmission system — A Flexible Alternating Current Transmission System (FACTS) is a system comprised of static equipment used for the AC transmission of electrical energy. It is meant to enhance controllability and increase power transfer capability of the network.… …
