Of an electric current: reversing direction at regular short intervals (many times a second), usually sinusoidally; (of a voltage) reversing phase…
| 单词 | θ77201 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] (32) alternating current1833 Of an electric current: reversing direction at regular short intervals (many times a second), usually sinusoidally; (of a voltage) reversing phase… alternate current1846 an alternating current (see alternating, adj. 2b). Subcategories:— phase of (2) — maximum value (2) — instrument determining wave-form (1) — change of direction (4) — instrument displaying change (3) — energy component (1) — rate of recurrence (7) — amplitude (7) — effect of equal currents (3) |
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