A wire carries a current of 0.5A, when a potential differnece of 1.5 V is applied across it. What is its conductance ? If the wire is of length 3 m and area of cross-section `5.4 mm^(2)`, calculate its conductivity.

A wire carries a current of 1.2 A when a potential difference of 1.8 V is applied across it. What is its conductance? If the wire is of length 3 m and area of cross-section 5.4 xx 10^-6 m^2 calculate its conductivity.

Calculate the conductivity of a wire of length 2 m, area of cross-sectionl 2 cm^(2) and resistance 10^(-4) Omega .

When a potential difference of 2 volt is applied across the ends of a wire of 5 m length, a current of 1 A flows through it. Calculate : the resistance of 2 m length of the wire,

The resistance of a conductivity wire of length 1.1 m and of diameter 0.14 mm is 30 Omega . Calculate its resistivity.

The current density in a conductor is 5 A //m^2 when an electric field of 50 V/m is applied across it. Calculate the conductivity of the material.

Calculate the conductivity of a wire of length 200 cm, area of cross-section 2cm^2 and of resistane 5xx10^4Omega .

When a potential difference of 2 volt is applied across the ends of a wire of 5 m length, a current of 1 A flows through it. Calculate : the resistance per unit length of the wire,