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A cylindrical metal wire of length l and cross sections area S , has resistance R , conductance G , conductivity sigma and resistivity rho . Which one of the following expressions for sigma is valid

Conductance OF Solution - Difference between Metallic and Electrolytic Conductor || Resistance ||Conductance || Conductivity || Resistivity || Molar and Equivalent Conductivity || Variation OF G,K and Λm/Λeq with Dilution || Debye-Huckel Onsager Equation

Conductance OF Solution, Difference between Electrolyte and Non Electrolyte|| Difference between Strong and Weak Electrolyte||Difference between Metallic and Electrolytic Conductor||Resistance||Conductance||Conductivity|| Resistivity

Find the conductance of a conductor of resistance 2 milli ohm.

Calculating conductivity and molar conductivity: Resistance of a conductivity cell filled with 0.1 M KCl solution is 100 Omega . If the resistance of the same cell when filled with 0.02 M KCl solutions 520 Omega and the conductivity of 0.1 KCl solution is 1.29 S m , calculate the conductivity and moalr conductivity of 0.02 M KCl solution. Strategy : Calculate the cell constant with the help of 0.01 M KCl solution (both R and kappa are Known). Use the cell constant to determine the conductivity of 0.02 M KCl solution and finally find its molar conductivity using the molarity

How do the electrical conductivity and resistivity of metallic conductors, semi-conductors, and super conductors vary with temperature ?

As the temperature of a conductor increases,its resistivity and conductivity change.the ratio of resistivity to conductivity

Those solids which have high conductivity and low resistivity are called............