Выберите правильное написание уравнения внешней характеристики<br />трансформатора:<img src="/close/store/examRes/%7B2BFA8E40-DA56-4E75-9BEF-D8B82AD912F2%7D/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-02-19_212722.png" /><img src="/close/store/examRes/%7B2BFA8E40-DA56-4E75-9BEF-D8B82AD912F2%7D/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-02-19_212527.png" /><img src="/close/store/examRes/%7B2BFA8E40-DA56-4E75-9BEF-D8B82AD912F2%7D/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-02-19_212456.png" /><img src="/close/store/examRes/%7B2BFA8E40-DA56-4E75-9BEF-D8B82AD912F2%7D/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-02-19_212619.png" /><img src="/close/store/examRes/%7B2BFA8E40-DA56-4E75-9BEF-D8B82AD912F2%7D/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_2021-02-19_212552.png" /> <img src="/img/8a/a7ad37108302aba88f55f6b829.png" />, <img src="/img/fc/8e9ab07842c27c19e593e1aa0d.png" />, <img src="/img/3e/34bcd7f9c5e92ec7797b9f4f27.png" />, <img src="/img/bc/36e68d9dde4b516c54356125c2.png" />, <img src="/img/f0/3a782ceaf00a418b369cb559e8.png" />