SI unit - ampere
The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be
This definition implies the exact relation e =
which is equal to
The effect of this definition is that one ampere is the electric current corresponding to the flow of
SI units - See also
See:
Practical realization of the definitions of the SI units
SI Brochure - Appendix 2
Historical evolution of the SI units
SI Brochure - excerpts from Appendix4
