A variable resistor used to control the electric current in a circuit; spec. (a) one comprising a wire-wound core along which a sliding contact can…
| 单词 | θ77694 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > controlling device or process > [noun] > rheostat (6) rheostat1843 A variable resistor used to control the electric current in a circuit; spec. (a) one comprising a wire-wound core along which a sliding contact can… potentiometer1888 A similar device used as a voltage divider or rheostat to produce a variable or known potential difference. Subcategories:— using electrolyte solution (3) — applied to field magnets (1) |
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