Differentiate between Resistance and Resistivity.
Resistance: It is the opposition provided by the atoms of a conductor to the flow of electrons. SI unit of resistance is Ω (Ohm). Resistance depends on length, area of cross section, material and temperature of conductor. Resistivity: It is the resistance of the conductor of that substance of unit length and unit area of cross section. SI unit of Resistivity of Ωm (Ohm-meter). Resistivity of substance depends only on the material of substance.
