{"version":"1.0","type":"link","title":"Persistent current - Newikis","description":"In physics, persistent current is a perpetual electric current that does not require an external power source. Such a current is impossible in normal electrical devices, since all commonly used conductors have a non-zero resistance, and this resistance would rapidly dissipate any such current as…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}