electrostatics 2 [vynechat] elektrostatika 2 [vynechat] alternating current 1 [vynechat] direct current 1 [vynechat] electric engineering 1 [vynechat] electric field 1 [vynechat] electrochemistry 1 [vynechat] elektrické pole 1 [vynechat] elektrochémia 1 [vynechat] elektrotechnika 1 [vynechat] fyzika 1 [vynechat] jednosmerný prúd 1 [vynechat] magnetism 1 [vynechat] magnetizmus 1 [vynechat] physics 1 [vynechat] striedavý prúd 1 [vynechat]