50 turns of a wire of diameter 1mm is wound on a cylinder of radius 5 cm. If the specific resistance of the materical of the wire is `4.5xx10^-6Omegam`, then its resistance is

A cube of side 0.05 m of a material of conductor is drawn into a wire of thickness 0.20 mm . If the specific resistance of the wire is 10^(-6)Omegam then calculate the resistance of the wire.

The external diameter of a 4 m long hollow tube is 10 cm and thickness of its wall is 5 mm. If the specific resistance of the copper is 1.7xx10^(-8)Omega m , then calculate its resistance.

A wire has radius 0.5 mm and length 62.8 m. If the resistivity of the material of the wire is 5 times 10^(-7) Omega -m , find the resistance of the wire.

Calculate the length of a wire of diameter 1 mm needed to prepare a coil of resistance 25 ohm. The resistivity of the material of the wire is 3.14 times 10^(-7) Omega.m .

The resistance of a wire of length 15.7 m and radius 0.5 mm is 10 Omega . Find the resistivity of the material of the wire.

The resistance of a wire of length 31.4 m and diameter 1 mm is 20 Omega . Find the resistivity of the material of the wire.

A wire of resistance 5.0 Omega is used to wind a coil of radius 5 cm. The wire has a diameter 2.0 mm and the specific resistance of its material is 2.0xx10^(-7)Omega m . Find the number of turns in the coil.

The resistance of a wire of 0.01 cm radius is 10 Omega . If the resistivity of the material of the wire is 50 xx 10^(-8) ohm meter, find the length of the wire.

The external diameter of a 5 metre long hollow tube is 10 cm and the thickness of its wall is 5 mm. If the specific resistance of copper be 1.7xx10^(5) ohm-metre, then determine its resistance.