A negligibly small current is passed through a wire of length 15 m and uniform cross-section `6.0 xx 10^-7 m^2`, and its resistance is measured to be `5.0 Omega` . What is the resistivity of the material at the temperature of the experiment?

A negligible small current is passed through a wire of length 15 m and uniform cross section 6.0 xx 10^-7 m^2 and its resistance is measured to be 5.0 Omega . What is the resistivity of the material?

A wire of length15m (meter) and uniform area of cross section 6.0 xx 10^-7 m^2 has resistance of 5.0 Omega (ohm). What is the resistivity of the material of the wire ?

A current of 5A is passing through a metallic wire of area of cross-section 4xx10^-6m^2 , If the density of charge carriers of the wire is 5xx10^26m^−3 find the drift velocity of electrons.

Find the resistance of a copper wire of length 1m and area of cross-section 2mm ^(2) .The specific resistance of copper= 1.7xx10^(-8)Ohm-m .

Resistance of a metal wire of length 2 m is 40 ohm. If the diameter of the wire is 0.3 mm. What will be the resistivity of the metal at that temperature?

A steel wire of length 4.7 m and cross-sectional area 3.0 xx 10^-5 m^2 stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of 4.0 xx 10^-5 M^2 under a given load. What is the ratio of the Young’s modulus of steel to that of copper?