Медицинская энциклопедия

Приложение

Важнейшие единицы электрических и магнитных величин

|                                                                  |                                       |                              | Обозначения                                        | Содержит           |

| Величина                                                  | Наименование                | Размерность         |-------------------------------------------------------------| единиц СИ         |

|                                                                  |                                       |                              | русское                 | международное    |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Сила электрического тока (сила тока)        | ампер                           | I                            | А                          | A                          |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Количество электричества,                       | кулон                            | TI                          | Кл                         | C                          |                           |

| электрический заряд                                 |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | ампер-секунда               |                              | А∙с (а∙сек.)           | A∙s                       | 1 А∙с = 1 Кл       |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Линейная плотность электрического тока  | ампер на метр            | L‑1 I                       | А/м                       | А/m                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Поверхностная плотность электрического | ампер на                      | L‑2 I                       | А/м2                      | А/m2                     |                           |

| тока, плотность электрического тока         | квадратный метр        |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Объемная плотность электрического         | кулон на кубический  | L‑3TI                      | Кл/м3                    | с/m3                      |                           |

| заряда                                                      | метр                             |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Электрическое напряжение,                      | вольт                            | L2MT‑3I‑1                | В (в)                      | V                          |                           |

| электрический потенциал,                         |                                       |                              |                              |                              |                           |

| электродвижущая сила (эдс)                     |                                       |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Напряженность электрического поля         | вольт на метр             | LMT‑3I‑1                 | В/м (в/м)               | V/m                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Электрическая емкость                             | фарада                        | L‑2М-1T4I2               | Ф (ф)                    | F                           |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Абсолютная диэлектрическая                   | фарада на метр          | L‑3М‑1T4I2               | Ф/м                       | F/m                       |                           |

| проницаемость, электрическая                  |                                       |                              |                              |                              |                           |

| постоянная                                               |                                       |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Электрическое сопротивление (активное,  | ом                                 | L2MT‑3I‑2                | Ом (ом)                 | Ω                          |                           |

| реактивное, полное, комплексное)             |                                       |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Удельное электрическое сопротивление    | ом-метр                        | L3MT‑3I‑2                | Ом∙м                    | Ω∙m                      |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Электрическая проводимость                    | сименс                         | L‑2M‑1T3I2               | См                        | S                          |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Удельная электрическая проводимость     | сименс на метр          | L‑3M‑1T3I2               | См/м                     | S/m                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Магнитный поток                                       | вебер                            | L2MT‑2I‑1                | Вб (вб)                  | Wb                        |                           |

|                                                                  |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | максвелл*                      |                              | Мкс                       | Mx                        | 1 Мкс = 1∙10‑8     |

|                                                                  |                                       |                              |                              |                              | Вб                      |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Магнитная индукция (плотность                | тесла                            | MT‑2I‑2                   | Т (тс)                    | T                           |                           |

| магнитного потока)                                    |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | вебер на квадратный      |                              | Вб/м2                    | Wb/m2                   | 1 Вб/м2 = 1T       |

|                                                                  | метр                              |                              |                              |                              |                           |

|                                                                  |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | гаусс*                            |                              | Гс (гс)                   | Gs                        | 1 Гс = 10‑4 T       |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Магнитодвижущая сила, разность             | ампер                           | I                            | А                          | A                          |                           |

| магнитных потенциалов                             |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | гильберт                        |                              | Гб (гб)                   | Gb                        | 1 Гб = 0,796 А    |

|                                                                  |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | ампер-виток*                  |                              | А∙в (а∙в)                | A∙t                        | 1 а∙в = 1 A         |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Напряженность магнитного поля               | ампер на метр            | L‑1I                        | А/м                       | A/m                       |                           |

|                                                                  |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | эрстед                           |                              | Э (э)                      | Oe                        | 1 Э = 79,58 А/м  |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Индуктивность, взаимная индуктивность  | генри                            | L2MT‑2I‑2                | Г                           | H                          |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Абсолютная магнитная проницаемость      | генри на метр                 | LMT‑2I‑2                 | Г/м                        | H/m                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Магнитный момент электрического поля,   | ампер-квадратный      | L2I                         | А∙м2                      | A∙m2                     |                           |

| магнитный момент диполя                         | метр                             |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Намагниченность                                      | ампер на метр            | L‑1I                        | А/м                       | A/m                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Магнитное сопротивление                         | ампер на вебер           | L‑2M‑1T2I2               | А/Вб                     | A/Wb                     |                           |

|                                                                  |---------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                                                  | генри в минус             |                              | Г‑1                         | H‑1                        |                           |

|                                                                  | первой степени           |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Мощность электрической цепи:                 |                                       |                              |                              |                              |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| активная                                                   | ватт                              | L2MT‑3                   | Вт (вт)                   | W                          |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| реактивная                                                | вар                                | L2MT‑3                   | вар                       | var                        |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| полная                                                      | вольт-ампер                | L2MT‑3                   | В∙А (в∙а)               | V∙A                       |                           |

|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Частота электрического тока                     | герц                              | T‑1                         | Гц (гц)                   | Hz                         |                           |

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