| 单词 | residual current |
| 释义 | > as lemmasresidual current residual current n. an electric current which flows briefly in a circuit after the potential difference is reduced to zero (now attributed to the momentum of the charge carriers). ΚΠ 1837 Philos. Trans. (Royal Soc.) 127 148 The residual current, after the sudden cessation of the greater action, were in the same direction as the original battery current. 1917 H. G. Byers Inorg. Chem. xxviii. 503 The back electromotive force almost completely stops the current. The minute current, called the residual current, which continues to pass is that needed to maintain the polarization. 2003 J. Arrillaga & N. R. Watson Power Syst. Harmonics (ed. 2) iv. 174 The residual current in a power line sets up a magnetic field, which causes flux lines to intersect with any neighbouring telephone line and induces an e.m.f. < as lemmas |
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