RESISTANCE

Resistance[R];It is property  material  which oppose flow current  through  it voltage[v] it is called resistance  it is represented in ohm

                       

ohm

ohm's law

ohm's law;whenever a potential difference(p) applied  across at the end of the conductor, some current (i) flow's through  conductor some of the resistance(r) opposes these ,this particular relation among this three are called ohm's law