| 单词 | magnetic field strength |
| 释义 | > as lemmasmagnetic field strength magnetic field strength n. Physics the strength of a magnetic field at a given point, usually expressed as a vector quantity (symbol H) whose magnitude is the ratio of the magnetic flux density to the permeability of the medium at that point. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > [noun] > field > intensity of field strength1885 magnetic field strength1931 1931 S. W. Williams Magn. Phenomena i. 20 (heading) Magnetic Field strength along the axis of a circular current. 1976 B. I. Bleaney & B. Bleaney Electr. & Magn. (ed. 3) iv. 109 The vector H is called the ‘magnetic field strength’... The dimensions of H are different from those of magnetic flux density B; it is important to remember this distinction, because magnetic flux density is often loosely referred to as ‘the field B’. 1991 New Scientist 6 July 27/1 The magnetic bundles, known as magnetic flux quanta, are the smallest possible amount of magnetic energy which can exist in a superconductor, and their size is related to the magnetic field strength. < as lemmas |
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