For the meaning of any metric prefix, go here.
The unit of inductance and permanence in SI. Symbol, H. The self- or mutual inductance of a closed loop is 1 henry if a current of 1 ampere gives rise to a magnetic flux of 1 weber.
In terms of the weber, a derived unit, the henry is ,
or in terms of base units only,
The henry was adopted in 1893 by the International Electrical Congress. It is named for the American scientist and engineer Joseph Henry (1797 – 1878).
Copyright © 2000-2017 Sizes, Inc. All rights reserved.
Last revised: 28 June 2017.