Electrical resistivity and conductivity

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Causes of conductivity

Electrically-charged particles Charge Density Drift velocity Quantum mechanics

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Temperature dependence

Linear approximation Phonon Fermi surface Debye radius Debye temperature

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Definition

Resistors Conductors Length Cross-sectional area Intrinsic property

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Resistivity and conductivity of various materials

Insulator Glass Semiconductor Light Temperature

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Common symbols: ρ
Derivations from other quantities: ρ = R A ℓ {\displaystyle \rho =R{\frac {A}{\ell }}}
Dimension: M L 3 T − 3 I − 2 {\displaystyle {\mathsf {M}}{\mathsf {L}}^{3}{\mathsf {T}}^{-3}{\mathsf {I}}^{-2}}
In SI base units: kg⋅m3⋅s−3⋅A−2
Other units: s (Gaussian/ESU)
SI unit: ohm metre (Ω⋅m)

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Overview

Complex resistivity and conductivity

Resistance versus resistivity in complicated geometries

Spreading resistance profiling
Vector fields Vector field
Continuity equation
Poisson's equation
Partial differential equations Partial differential equation
Finite element analysis Finite element method

Resistivity-density product

Density
Overhead power lines Overhead power line

History

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Map overview Semantic statistics

Nodes155

Edges154

Triples28

Avg. degree1.99

Density0.012903

Components1

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Electrical resistivity and conductivity

Top relations

related to Further reading · 12

Electrical resistivity and conductivity → Conductivity, Electricity, Elementary Modern Physics, Engineers, Freeman, ISBN, Light, Magnetism, Measuring Electrical Resistivity, Paul Tipler, Physics, Scientists

Common symbols · 1

Electrical resistivity and conductivity → ρ

Derivations from other quantities · 1

Electrical resistivity and conductivity → ρ = R A ℓ {\displaystyle \rho =R{\frac {A}{\ell }}}

Dimension · 1

Electrical resistivity and conductivity → M L 3 T − 3 I − 2 {\displaystyle {\mathsf {M}}{\mathsf {L}}^{3}{\mathsf {T}}^{-3}{\mathsf {I}}^{-2}}

In SI base units · 1

Electrical resistivity and conductivity → kg⋅m3⋅s−3⋅A−2

Other units · 1

Electrical resistivity and conductivity → s (Gaussian/ESU)

SI unit · 1

Electrical resistivity and conductivity → ohm metre (Ω⋅m)

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Important terminology

resistivity conductivity electric resistance current displaystyle temperature rho material electrical electrons density metal field charge energy semiconductors materials frac low

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Electrical resistivity and conductivity	Common symbols	ρ	1.00	infobox
Electrical resistivity and conductivity	Derivations from other quantities	ρ = R A ℓ {\displaystyle \rho =R{\frac {A}{\ell }}}	1.00	infobox
Electrical resistivity and conductivity	Dimension	M L 3 T − 3 I − 2 {\displaystyle {\mathsf {M}}{\mathsf {L}}^{3}{\mathsf {T}}^{-3}{\mathsf {I}}^{-2}}	1.00	infobox
Electrical resistivity and conductivity	In SI base units	kg⋅m3⋅s−3⋅A−2	1.00	infobox
Electrical resistivity and conductivity	Other units	s (Gaussian/ESU)	1.00	infobox
Electrical resistivity and conductivity	SI unit	ohm metre (Ω⋅m)	1.00	infobox
glass has low conductivity	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text
a high resistivity.The conductivity of a semiconductor is generally intermediate	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text
but varies widely under different conditions	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text
such as exposure of the material to electric fields or specific frequencies of light	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text
and	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text
most important	instance of	Resistivity and conductivity of various materialsA conductor such as a metal has high conductivity and a low resistivity.An insulator	0.80	text

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