The action or an instance of an electric current reversing direction at regular short intervals; a half-cycle of an alternating current or…
| 单词 | θ77208 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > change of direction (4) alternation1843 The action or an instance of an electric current reversing direction at regular short intervals; a half-cycle of an alternating current or… rectification1892 The conversion of an alternating current into a direct current. Subcategories:— switch enabling (1) — alteration caused by (1) |
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