quantitykind:Impedance

URI: http://qudt.org/vocab/quantitykind/Impedance

Type
Description

"Impedance" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.

Properties
qudt:applicableUnit
qudt:dbpediaMatch
http://dbpedia.org/resource/Electrical_impedance
qudt:plainTextDescription
"Impedance" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.
qudt:hasDimensionVector
qudt:latexDefinition
$\underline{Z} = \underline{U} / \underline{I}$, where $\underline{U}$ is the voltage phasor and $\underline{I}$ is the electric current phasor.
qudt:latexSymbol
$\underline{Z}$
qudt:isoNormativeReference
http://www.iso.org/iso/catalogue_detail?csnumber=43012
rdf:type
Annotations
dcterms:description
"Impedance" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.
qudt:informativeReference
http://en.wikipedia.org/wiki/Electrical_impedance
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-12-43
http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891
rdfs:isDefinedBy
rdfs:label
Impedance(en)
rdfs:seeAlso
View as:  CSV

Work in progress

RDF/XML 
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    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
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    <j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">"Impedance" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.</j.1:description>
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    <rdfs:seeAlso rdf:resource="http://qudt.org/vocab/quantitykind/VoltagePhasor"/>
    <j.0:plainTextDescription>"Impedance" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle.</j.0:plainTextDescription>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/quantitykind"/>
    <rdfs:label xml:lang="en">Impedance</rdfs:label>
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    <j.0:informativeReference rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI">http://www.electropedia.org/iev/iev.nsf/display?openform&amp;ievref=131-12-43</j.0:informativeReference>
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TURTLE 
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<http://qudt.org/vocab/quantitykind/Impedance>
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  <http://qudt.org/schema/qudt/latexDefinition> "$\\underline{Z} = \\underline{U} / \\underline{I}$, where $\\underline{U}$ is the voltage phasor and $\\underline{I}$ is the electric current phasor."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/latexSymbol> "$\\underline{Z}$"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "\"Impedance\" is the measure of the opposition that a circuit presents to the passage of a current when a voltage is applied. In quantitative terms, it is the complex ratio of the voltage to the current in an alternating current (AC) circuit. Impedance extends the concept of resistance to AC circuits, and possesses both magnitude and phase, unlike resistance, which has only magnitude. When a circuit is driven with direct current (DC), there is no distinction between impedance and resistance; the latter can be thought of as impedance with zero phase angle." ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/quantitykind> ;
  rdfs:label "Impedance"@en ;
  rdfs:seeAlso <http://qudt.org/vocab/quantitykind/ElectricCurrentPhasor> ;
  rdfs:seeAlso <http://qudt.org/vocab/quantitykind/VoltagePhasor> ;
.
JSON 
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    ,"seeAlso":"quantitykind:VoltagePhasor" 
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JSON-LD 
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