The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would produce between these conductors a force equal to 2 x 107 newton per metre of length. (BIPM)
Preferred Units: N/A
This term is used for the following terms:
Click here to give feedback on this term or suggest an update.