A wire 100cm long and 2.0mm diameter has a resistance of 0.7 ohm , the electrical resistivity of the material is

A wire 1.0 m long, 0.2 mm in diameter, has a resistance of 10 Omega . Calculate the resistivity of its material.

(a) What do you understand by the ''resistivity'' of a substance? (b) A wire is 1.0m long, 0.2 mm in diameter and has a resistance of 10 Omega . Calculate the resistivity of its material?

A wire 50 cm long and 0.12mm diameter has a resistance of 4.0 Omega find the resistance of another wire of the same material whose length is 1.5m and diameter is 0.15 mm

A wire of length 1 m and radius 0.1mm has a resistance of 100(Omega) .Find the resistivity of the material .

A wire of length 1 m and radius 0.1mm has a resistance of 100(Omega) .Find the resistivity of the material .

The resistance of a wire varies directly with its length and inversely with its area. If a certain piece of wire 10 m long and 0.10 cm in diameter has a resistance of 100 ohms, what will its resistance be if its is uniformly srretched so that its length becomes 12 m?

A wire 8.00 m long and 6.00 mm in diameter has a resistance of 30.0 mOmega . A potential difference of 23.0 V is applied between the ends. (a) What is the current in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the wire material.

A wire of length 1 m and radius 0.1mm gas a resistance of 100(Omega) .Find the resistivity of the material .

A wire of length 1 m and radius 0.1 mn has a resistance of 100Omega . Find the resistivity of the material.