“internal resistance(symbol: r; unit: ohm)”的概念、定义、翻译、参考文献-科学参考

单词	internal resistance(symbol: r; unit: ohm)
释义	internal resistance(symbol: r; unit: ohm) Electronics and Electrical Engineering A small resistance possessed by a cell, accumulator, or dynamo. It is given by $r = \frac{(E - V)}{I}$ where E is the e.m.f. generated by the device, V is the potential difference across the terminals, and I is the current. See also cell.
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