Windings
111Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …
112Pick slide — A pick slide or pick scrape is a guitar technique most often performed in the rock or metal music genres. The technique is executed by holding the edge of the pick against any of the three or four wound strings and moving it along the string. As… …
113Load dump — Automotive Load Dump = Load dump in vehicles refers to what happens to the supply voltage when a load is removed. The voltage regulation has a time constant and if a load is removed rapidly it can take a few ms for the voltage to stabilise. The… …
114Rowland ring — Rowland s ring (aka Rowland ring) is an experimental arrangement for the measurement of the hysteresis curve of a sample of magnetic material. It was developed by Henry Augustus Rowland.The geometry of a Rowland s ring is usually a toroid of… …
115Signal-flow graph — A signal flow graph (SFG) is a special type of block diagram[1] and directed graph consisting of nodes and branches. Its nodes are the variables of a set of linear algebraic relations. An SFG can only represent multiplications and additions.… …
116betatron — /bay teuh tron / or, esp. Brit., /bee /, n. Physics. an accelerator in which electrons are accelerated to high energies by an electric field produced by a changing magnetic field. [1940 45; BETA (see BETA PARTICLE) + TRON] * * * ▪ particle… …
117particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
118primary — primariness, n. /pruy mer ee, meuh ree/, adj., n., pl. primaries. adj. 1. first or highest in rank or importance; chief; principal: his primary goals in life. 2. first in order in any series, sequence, etc. 3. first in time; earliest; primitive.… …
119synchronous motor — Elect. a synchronous machine that acts as a motor. [1900 05] * * * ▪ mechanics alternating current electric motor designed to run at a speed that is directly proportional to the frequency of the electric power source. Typically, a… …
120Stevie Ray Vaughan's musical instruments — This is a list and description of the guitars and other equipment played by musician Stevie Ray Vaughan. Vaughan played a number of Fender Stratocasters throughout his career, one of which, a 1963 body and a late 1962 rosewood (curved… …
