Question

SI unit of current density​

Answer 1

ANSWER :

Current density (J ) is defined as current flowing through the conductor per unit area.

Therefore :-

J = I / A

where=>

I = electric current current flowing through the conductor ( in amperes)

A = cross-sectional area( in metre² or m² )

therefore =>

S.I unit of Current density (J ) =

=>amperes/metres ²

=> A / m²

A / m² is the SI unit of Current density.

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Answer 2

• Current density is the amount of electric current flowing per unit cross-sectional area of a material.
• Hence the SI unit of current density must be Ampere/meter²