{"version":"1.0","type":"link","title":"Retarded potential - Newikis","description":"In electrodynamics, the retarded potentials are the electromagnetic potentials for the electromagnetic field generated by time-varying electric current or charge distributions in the past. The fields propagate at the speed of light c, so the delay of the fields connecting cause and effect at…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/0/0d/VFPt_Solenoid_correct2.svg/1280px-VFPt_Solenoid_correct2.svg.png","thumbnail_width":1280,"thumbnail_height":522}