伏特

Also known as V

電壓的國際單位制導出單位

AI overview

A volt is the standard unit used to measure electrical pressure or force—the push that makes electricity flow through wires and devices. Understanding volts matters because it tells you how much electrical power a device uses and whether it's safe to use with a particular power source, like a battery or wall outlet.

AI-generated from the Wikipedia summary — may contain errors.

In the Vinony graph

Within Vinony's link graph, 伏特 is referenced by 3,699 other articles, and connects out to International System of Units, day and silver.

It is catalogued under topics including Alessandro Volta, SI derived units and Units of electrical potential.

Its subject is documented across 115 Wikipedia language editions.

Key facts

Unit.name: volt
Unit.image: 240px
Unit.caption: Josephson voltage standard chip developed by the National Bureau of Standards as a standard volt
Unit.standard: SI
Unit.quantity: electric potential, electromotive force
Unit.symbol: V
Unit.dimension: M⋅L2⋅T−3⋅I
Unit.namedafter: Alessandro Volta
Unit.extralabel: SI base units
Unit.extradata: kg⋅m2⋅s−3⋅A−1

via Wikipedia infobox

Wikidata facts

Named after: Alessandro Volta

Show 8 more facts

different from: V
conversion to SI unit: 1
unit symbol: V
Wikidata SPARQL query equivalent: wd:Q25250 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
Commons category: Volt
derived from base unit: ampere
NCI Thesaurus ID: C42551

Sources (2)

via Wikidata · CC0

Article · 中文

伏特（英語：volt）是国际单位制中电势、电势差（电压）、电动势的单位，属于导出单位，符号 V。在一根均匀的、宽度和温度固定的导线上，假設某兩點間有一安培電流流動，則兩點間的電阻會將這兩點內的電能转化为热能功率1瓦（W=1J/s），將這兩點間的電壓差就被定義為一伏特。此单位是以发明电池的意大利物理学家——亚历山德罗·伏特的名字命名的。

Abstract from DBpedia / Wikipedia · CC BY-SA