state ohm’s law and writeitsmathematical form? and definr resistivity or specific resistance?

                                                          ΔV = I • R.

mathemetical form of ohm’s law:V=iR

 

 

resistivity: resistivity of conductor of unit length and of unit area cross section is called resistivity or specific resistance.

Ohm's law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. Introducing the constant of proportionality, the resistance.  one arrives at the usual mathematical equation that describes this relationship:

                                    I=V/R

RESISTIVITY : Resistivity is an intrinsic property that quantifies how strongly a given material opposes the flow of electric current. A low resistivity indicates a material that readily allows the movement of electric charge.

  resistivity also known as specific resistance.

 

ohms law state that the current flowin through a methalic conductor is directly proportional to the potential diffrence l/vr