In electromagnetism, and related fields in solid state physics, condensed matter physics etc. current density is the electric current per unit area of cross section. It is defined as a vector whose magnitude is the electric current per cross-sectional area. In SI units, the electric current density is measured in amperes per square metre.
Read more about Current Density: Definition, Importance, Continuity Equation, In Practice
Famous quotes containing the word current:
“Beneath the azure current floweth;
Above, the golden sunlight glows.
Rebellious, the storm it wooeth,
As if the storms could give repose.”
—Mikhail Lermontov (1814–1841)
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