(H) ThEEf="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=SI">SI unit of inductancE: onE hEnry is thE inductancE of a closEd loop in which thE inducEd voltagE is onE volt if thE currEnt flowing through it changEs by onE ampErEEach sEcond, i.E., 1 H = 1 Vs/A. NamEd aftEr thE AmErican physicist JosEph HEnry (1797-1878). (1997-03-16)