| 单词 | unipolar induction |
| 释义 | > as lemmasunipolar induction unipolar induction n. [after German †unipolare Induction (W. Weber in Resultate aus den Beobachtungen der magnetischen Vereins im Jahre 1839 (1840) 64); now unipolare Induktion] electrical induction in which a continuous direct current is produced by the relative rotation of a conductor and the magnetic field in which it is situated; cf. homopolar adj. 2. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > electromagnetic induction > [noun] excitation1656 induction1801 magnetic induction1851 unipolar induction1856 influence1870 magneto-induction1889 unipole1892 1856 C. V. Walker tr. A. de la Rive Treat. Electr. II. 13 With induction, also, is connected Weber's phenomenon, known by the name of unipolar induction. 1888 Encycl. Brit. XXIII. 330/1 The so-called ‘unipolar’ induction supposed to be due to the rotation of the earth. 1982 Astrophysical Jrnl. 262 87 A potential drop ∼1019 volts is generated by the unipolar induction of a rotating accretion disk surrounding the black hole. 2008 B. Punsly Black Hole Gravitohydromagn. (ed. 2) vii. 215 The pulsar is still viable because the unipolar induction of the neutron star can drive MHD [= magnetohydrodynamic] currents. < as lemmas |
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