electrical insulator

electrical insulator
Electrical Engineering
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  • insulator — /in seuh lay teuhr, ins yeuh /, n. 1. Elect. a. a material of such low conductivity that the flow of current through it is negligible. b. insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor… …   Universalium

  • Insulator (genetics) — For electrical insulator, see Insulator (Electrical). For other uses, see Insulation (disambiguation). An insulator is a genetic boundary element that plays two distinct roles in gene expression, either as an enhancer blocking element, or more… …   Wikipedia

  • insulator — noun /ˈɪn.sjə.leɪ.tə(r)/ a) A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator). To isolate electrical wires from the pylons supporting them, one often uses glass… …   Wiktionary

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  • Electrical conductivity — or specific conductivity is a measure of a material s ability to conduct an electric current. When an electrical potential difference is placed across a conductor, its movable charges flow, giving rise to an electric current. The conductivity σ… …   Wikipedia

  • Insulator — may refer to:* Insulator (genetics) * Insulator (electrical) * Thermal insulation * Building insulation * Mott insulator See also * Insulation …   Wikipedia

  • Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate …   Wikipedia

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  • Electrical telegraph — A printing electrical telegraph receiver, and a transmitter key at bottom right An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio. The electromagnetic telegraph is a device… …   Wikipedia

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