current density

American  

noun

Electricity.

1. the amount of current flowing through a given cross-sectional area in a given time interval: usually measured in amperes per square centimeter.

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current density British  

noun

1.  J.  the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre

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Example Sentences

Upon carrying out electrocatalytic water splitting, the team observed that Ni-W5N4 alloy catalyzed the hydrogen evolution reaction, resulting in 10 mA/cm2 current density at a small overpotential of 11 mV.

From Science Daily • Nov. 15, 2023

"Essentially, we want electrodes that don't corrode, while still supporting the high electrical current density required for effective operation."

From BBC • Jul. 13, 2023

The city’s nearly completed plan calls for 8,152 housing units and 22,751 jobs near the station over 23 years, nearly quadruple current density.

From Seattle Times • Jan. 28, 2022

Theoretical models can relate the density then to the density now; thus, measurements of the abundance of deuterium today can give us an estimate of the current density of the universe.

From Textbooks • Oct. 13, 2016

The wire has a current density so huge that the atoms are destroyed, and the protons and electrons coalesce into pure radiant energy.

From Invaders from the Infinite by Campbell, John Wood