单词 | current density |
释义 | current density [`kǝr·ǝnt ´den·sǝd·ē] ELECTRICITY The current per unit cross-sectional area of a conductor; a specialization of the physics definition. Also known as electric current density. PHYSICS A vector quantity whose component perpendicular to any surface equals the rate of flow of some conserved, indestructible quantity across that surface per unit area per unit time. Also known as current. |
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