contact conductor

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• Contact — Con tact (k[o^]n t[a^]kt), n. [L. contactus, fr. contingere, tactum, to touch on all sides. See {Contingent}.] 1. A close union or junction of bodies; a touching or meeting. [1913 Webster] 2. (Geom.) The property of two curves, or surfaces, which …   The Collaborative International Dictionary of English

• Contact level — Contact Con tact (k[o^]n t[a^]kt), n. [L. contactus, fr. contingere, tactum, to touch on all sides. See {Contingent}.] 1. A close union or junction of bodies; a touching or meeting. [1913 Webster] 2. (Geom.) The property of two curves, or… …   The Collaborative International Dictionary of English

• Conductor (transportation) — This article is about the railroad crew member. For other uses, see Conductor (disambiguation). An Amtrak train conductor A conductor is a member of a railway train s crew that is responsible for operational and safety duties that do not involve… …   Wikipedia

• Contact resistance — The term contact resistance refers to the contribution to the total resistance of a material which comes from the electrical leads and connections as opposed to the intrinsic resistance, which is an inherent property, independent of the… …   Wikipedia

• conductor plugs — Coherer Co*her er, n. (Elec.) Any device in which an imperfectly conducting contact between pieces of metal or other conductors loosely resting against each other is materially improved in conductivity by the influence of Hertzian waves; so… …   The Collaborative International Dictionary of English

• conductor rail — kontaktinis bėgis statusas T sritis automatika atitikmenys: angl. conductor rail vok. Stromschiene, f rus. контактный рельс, m pranc. rail de contact, m …   Automatikos terminų žodynas

• Stud contact system — For the same system on model railways, see stud contact electrification on model railways. The Stud Contact System is a once obsolete ground level power supply system for electric trams. Studs were set in the road at intervals and connected to a… …   Wikipedia

• Quantum point contact — A Quantum Point Contact (QPC) is a narrow constriction between two wide electrically conducting regions, of a width comparable to the electronic wavelength (nano to micrometer). Quantum point contacts were first reported in 1988 by a Dutch group… …   Wikipedia

• Railway electrification in Great Britain - conductor rail systems — Railway electrification in Great Britain Conductor Rail describes the different third and fourth rail systems used and their history.HistoryRailway electrification as a means of traction emerged at the end of the nineteenth century. It offered… …   Wikipedia

• Stud contact electrification on model railways — This is a system of electrification for railways. On full gauge railways it was used on some tram systems where overhead wires were not practical.For model railways stud contact electrification is used as it allows a third rail collection systems …   Wikipedia

• electrical contact — noun contact that allows current to pass from one conductor to another • Hypernyms: ↑contact, ↑tangency …   Useful english dictionary