Changes

: '''Current''' is [[measure]]d in using an [[Ammeter]].: The [[SI Unit|units]] of '''current''' are [[Amp|amperes]], which are also called [[amp]]s ([[A]]).: A '''current''' in a [[wire]]is a flow of [[electron]]s which are [[negative]]ly [[charge]]d [[particle]]s.: Conventional '''Current''' flows from [[positive]] to [[negative]]. This is because [[electricity]] was discovered before [[scientist]]s knew about [[electron]]s.: In a [[salt]] [[solution]] '''current''' is the flow of both [[positive]] and [[negative]] [[ion]]s.