Define current density.

Define the term current density.

Define the term 'drift velocity' of electrons in a current carrying conductor. Obtain the relationship between the current density and the drift velocity of electrons.

Define the term 'drift velocity' of electrons in a current carrying conductor. Obtain the relationship between the current density and the drift velocity of electrons.

A:Current density is a very is a vector quantity . R : Electric current , passing through a given unit area is current density.

A:Current density is a very is a vector quantity . R : Electric current , passing through a given unit area is current density.

Define electric current density and write its relation with the current. Derive the relation between current density and electric field intensity.