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单词 internal resistance
释义 internal resistance
The resistance within a source of electric current, such as a cell or generator. It can be calculated as the difference between the e.m.f. (E) and the potential difference (V) between the terminals divided by the current being supplied (I), i.e.
r = (E - V)/I
, where r is the internal resistance
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更新时间:2025/6/23 4:35:01