@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t6-51.2>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "6-51.2" ;
  skosxl:prefLabel "impedance of vacuum"@en ;
  skosxl:altLabel "wave impedance in vacuum"@en ;
  skosxl:altLabel "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 magnetic field strength (<<t6-25>>) of electromagnetic waves in vacuum"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-6> ;
  isq:hasUnit [
    skos:notation "V/A" ;
    skosxl:prefLabel "volt per ampere"@en
  ] ;
  isq:hasUnit [
    skos:notation "kg*m^2*s^(-3)*A^(-2)" ;
    skosxl:prefLabel "kilogram square metre per second cubed ampere squared"@en
  ] ;
  skos:note "The impedance of vacuum is equal to stem:[c_0*mu_0]. This quantity is considered to be constant in time."@en ;
  iso:urn <urn:iec:std:iec:80000-6:2022-11:::6-51.2> .