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cable resistance per unit of length

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  • Cable theory — Classical cable theory describes the development of mathematical models that can calculate the flow of electric current (and accompanying voltage) along passive ref|classical neuronal fibers (neurites) particularly dendrites that receive synaptic …   Wikipedia

  • Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …   Wikipedia

  • Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …   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

  • Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia

  • radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

  • Characteristic impedance — This article is about impedance in electronics. For impedance of electromagnetic waves, see Wave impedance. For characteristic acoustic impedance, see Acoustic impedance. Schematic representation of a circuit where a source is coupled to a load… …   Wikipedia

  • Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

  • Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …   Wikipedia

  • Murray loop bridge — is a bridge circuit used for locating faults in underground or underwater cables.[1] It has been used for more than 100 years. [2] One end of the faulted c …   Wikipedia

  • catenary — /kat n er ee/; esp. Brit. /keuh tee neuh ree/, n., pl. catenaries, adj. n. 1. Math. the curve assumed approximately by a heavy uniform cord or chain hanging freely from two points not in the same vertical line. Equation: y = k cosh(x/k). 2. (in… …   Universalium

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