Question

What is current density ? state its SI unit​

Answer 1

Answer:

Current density or electric current density is related to electromagnetism and is defined as the amount of electric current flowing through a unit cross-sectional area. It is a vector quantity. The SI unit of electric current density is ampere per square meter. The symbol "J" is used for electric current density

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Answer 2

Answer:

Current density—Current density of a conductor is defined as the amount of current passing per unit area of the conductor held to the flow of chares :It can be expressed as— J = I/AIt is a vector quantity.The S.I. unit of current density is ampere/ metre2 Am–2The dimension of current density is [MºL–2TºA]