Question

Define the term ‘conductivity' of a metallic wire. Write its si unit.

Answer 1

Answer:

Conductivity of a metallic wire is defind as the degree to which a specified material conducst electricity calculated as ratio of current density in the material to the electric field which causes flow of current, The SI unit of conductivity is ohm-1 metre-1 or mho metre-1 or siemen metre-1.

I think it's helpful for you

thanks #_brainly_mate

Pleazzz mark me as brainliest