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Section 6-515 entries

6-51.1impedance, complex impedance 6-51.2impedance of vacuum, wave impedance in vacuum 6-51.3resistance 6-51.4reactance 6-51.5apparent impedance

6-51.2

impedance of vacuum, wave impedance in vacuum

URNurn:iec:std:iec:80000-6:2022-11:::6-51.2

Download RDF.jsonld .ttl

https://metanorma.github.io/isq-smart/quantities/part-6/t6-51.2
urn:iec:std:iec:80000-6:2022-11:::6-51.2

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-6:ed-1:en:item:6-51.2

IEC

urn:iec:std:iec:80000-6:2022-11:::item:6-51.2

Designations

ENimpedance of vacuum

FRimpédance de vide

ENwave impedance in vacuum

FRimpédance d'onde dans le vide

Symbol

Z_{0}

Notation systems

Rendered

Z_{0}

AsciiMath

Z_0

LaTeX

Z_{0}

Definition

scalar quantity given by the quotient of the magnitude of the electric field strength (electric field strength) and that of the magnetic field strength (magnetic field strength) of electromagnetic waves in vacuum

grandeur scalaire donnée par le quotient de la valeur du champ électrique (electric field strength) par celle du champ magnétique (magnetic field strength) des ondes électromagnétiques dans le vide

Units

\frac{V}{A}

volt per ampere

View related quantities →

k g \cdot m^{2} \cdot s^{- 3} \cdot A^{- 2}

kilogram square metre per second cubed ampere squared

View related quantities →

Notes

The impedance of vacuum is equal to $c_{0} \cdot μ_{0}$ . This quantity is considered to be constant in time.

L'impédance de vide est égale à $c_{0} \cdot μ_{0}$ . Cette grandeur est considérée comme étant constante dans le temps.

Referenced by

resistance admittance of vacuum

Concept HierarchyPendrill (2024)

L² M T⁻³ I⁻²L² M T⁻³ I⁻² quantitiesLevel 0 · Kind

Broader concepts

◇ L² M T⁻³ I⁻² quantities

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t6-51.2

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	6-51.2
skosxl:prefLabel	"impedance of vacuum"@en
skosxl:altLabel	"wave impedance in vacuum"@en"Z_0"@en
skos:definition	scalar quantity given by the quotient of the magnitude of the electric field strength (<<t6-10>>) and that of the magnet…
skos:note	The impedance of vacuum is equal to stem:[c_0*mu_0]. This quantity is considered to be constant in time.
isq:hasUnit	V/A (volt per ampere)kgm^2s^(-3)*A^(-2) (kilogram square metre per second cubed ampere squared)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-6

Related Entities

isq:QuantityShape isq:part-6 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry