Elektr toki (Electric Current) — o‘tkazgich (conductor) ichida elektronlarning oqish tezligidir (rate of flow). Elektr tokining SI birligi — amper (Ampere)...
Magnit maydon — magnit jism (magnetic body) yoki harakatlanuvchi elektr zaryadi (moving electric charge) atrofida magnit kuch ta’sir qiladigan hududdir....