Khopolo ea motlakase oa motlakase

Ho electromagnetism, bongata ba motlakase o fetang karolong efe kapa efe ea motlakase ka yuniti e le 'ngoe bo bitsoa matla a hona joale, kapa motlakase feela. Letšoao la hona joale ke I, 'me yuniti ke ampere (A), kapa "A" feela (André-Marie Ampère, 1775-1836, setsebi sa fisiks le k'hemistri sa Fora, ea entseng katleho e ikhethang thutong ea litlamorao tsa motlakase 'me hape a entse menehelo lipalo le fisiks. Yuniti ea machaba ea motlakase, ampere, e reheletsoe ka lebitso la hae la borena).
[1] Motsamao o tloaelehileng oa litefo tse sa lefelloeng ka har'a mokhanni tlas'a ts'ebetso ea matla a motlakase o etsa motlakase.
[2] Motlakaseng, ho totobatsoa hore tataiso ea phallo e tataisang ea litefiso tse ntle ke tataiso ea hona joale. Ho phaella moo, boenjiniereng, tataiso ea phallo e tataisang ea litefiso tse ntle le eona e sebelisoa e le tataiso ea hona joale. Boholo ba hona joale bo bontšoa ke tjhaja Q e phallang karolong e tšelang ea mokhanni ka nako ea yuniti, e bitsoang matla a hona joale.
[3] Ho na le mefuta e mengata ea lijari tsa tlhaho tse jereng tjhaja ea motlakase. Mohlala: lielektrone tse tsamaeang ka har'a li-conductor, li-ion ka har'a li-electrolyte, lielektrone le li-ion ka har'a plasma, le li-quark ka har'a li-hadron. Motsamao oa lijari tsena o etsa motlakase.