🌐EnglishEnglishDeutschEspañolFrançaisРусскийالعربية中文EntityQ7170406· pop 5· linked from 63 articlespersistent currentPerpetual electric current, not requiring an external power sourceAvailable in 5 languagesEspañolРусскийالعربيةCatalanvia Wikidata sitelinks · CC0ConnectionssuperconductivityEntityquantum mechanicsEntityCategoriesElectrical engineeringElectric currentMesoscopic physics