EntityQ840916· pop 39· linked from 188 articlescommutatorSign in to saverotary electrical switch that periodically reverses the current direction between the rotor and the external circuitConnectionselectrical generatorEntityelectric currentEntityelectrical switchEntitybrushless DC electric motorEntityarmatureEntityreluctance motorEntitydoubly fed electric machineEntitycopperEntityNikola TeslaEntitycarbonEntitymercuryEntityMichael FaradayEntityJames Clerk MaxwellEntitymagnetEntitytransistorEntitysemiconductorEntityelectromagnetismEntityAndré-Marie AmpèreEntitybrassEntityHans Christian ØrstedEntityCategoriesElectrical componentsElectrical power connectorsElectric motorsElectric power conversion