The symbol most commonly used for resistivity is sigma (σ). As an example of calculating a volume's resistance, consider the drawing to the left. Assume 12 AWG copper wire with a resistivity (from the table) of1.72x10-6Ω·cm, a cross-sectional area (A) of 0.03309 cm2, and a ...
1.(General Physics) the electrical property of a material that determines the resistance of a piece of given dimensions. It is equal toRA/l, whereRis the resistance,Athe cross-sectional area, andlthe length, and is the reciprocal of conductivity. It is measured in ohms. Symbol:ρFormer name...
Electrical resistivity is a measure of a material’s property to oppose the flow of electric current. This is expressed in Ohm-meters (Ω⋅m). The symbol of resistivity is usually the Greek letter ρ (rho). A high resistivity means that a material does not conduct electric charge well. ...
Also calledspecific resistance.Electricity.theresistancebetween opposite faces of a one-centimeter cube of a given material; ratio of electric intensity to cross-sectional area; reciprocal of conductivity. Discover More Word History and Origins
1.(General Physics) the electrical property of a material that determines the resistance of a piece of given dimensions. It is equal toRA/l, whereRis the resistance,Athe cross-sectional area, andlthe length, and is the reciprocal of conductivity. It is measured in ohms. Symbol:ρFormer name...
Conductivity is denoted by a symbol, ‘k or s’ and is measured in Siemens per meter 1. Compute the dimensional formula for electrical resistivity. Resistivity is defined as the resistance per unit length and cross-sectional area. It is the property of the material that opposes the flow of ...
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm. 欧可以指: 欧姆,电阻的单位,符号Ω,为了纪念德国物理学家Georg Ohm。 LASER-wikipedia2 Pronounced changes in electrical resistivity with temperature were observed in the alloy film...
The S.I unit of its is Ohm-Meter. It is denoted by the symbol ‘ρ’. Resistivity Classification for Conductors, Semiconductors, and Insulators This material highly depends on the temperature. In conductors with the increase in temperature the speed of electrons moving in the material also incre...
1. 地电阻率 石油词汇英语翻译(GH)--石油百科 ... geoelectric 大地电流的 geoelectrical resistivity 地电阻率 geoelectricity 地电 ... www.oilnews.com.cn|基于20个网页 例句 释义: 全部,地电阻率 更多例句筛选 1. The research on recognizing symbol and short-term abnormal characteristic of geoelectrical...