🌐EnglishEnglishDeutschEspañolNederlandsРусскийالعربيةفارسی中文EntityQ2101716· pop 11· linked from 164 articlesopen circuit testmethod used in electrical engineering to determine the impedance in the excitation branch of a real transformerAvailable in 11 languagesEspañolDeutsch中文РусскийالعربيةEstonianFinnishNederlandsUkrainianفارسیConnectionselectrical generatorEntitytransformerEntityCategoriesElectrical testsElectric transformers