The specific resistance of manganin is `50 xx 10^(-8) ohm xx m`. The resistance of a cube of length 50 cm will be

The resistivity of iron is 1 xx 10^(-7) ohm -m. The resistance of a iron wire of paritcular length and thickness is 1 ohm. If the length and the diameter of wire both are doubled, then the resistivity in ohm-m will be

Dimensions of a block are 1 cm xx 1cm xx 100cm . If specific resistance of its material is 3 xx 10^(-7) ohm-m , then the resistance between the opposite square faces is

Dimensions of a block are 1 cm xx 1 cm xx 10 cm . If specific resistance of its material is 3 xx 10^(-7) ohm-m, then the resistance between the opposite rectangular faces is

Dimensions of a block are 1 cm xx 1cm xx 100cm . If specific resistance of its material is 3 xx 10^(-7) ohm-m , then the resistance between the opposite rectangular facesis

Dimensions of a block are 1 cm xx 1cm xx 100cm . If specific resistance of its material is 3 xx 10^(-7) ohm-m , then the resistance between the opposite rectangular facesis

The dimensions of a block are 1 cm xx 1 cm xx 100 cm . If specific resistance of its material is 3 xx 10^-7 ohm metre then the resistance between the opposite rectangular faces is :

The length of a wire is 10 m and the diameter is 2 mm . If the resistivity of substance of the wire is 2 xx 10^(-6) ohm . Then the resistance of the wire is

Length of a hollow tube is 5 m , its outer diameter is 10 cm and thickness of its wall is 5 mm. If resistivity of the material of the tube is 1.7 xx 10^(-8) Omega xx m then resistance of tube will be

Length of a hollow tube is 5 m , its over diamter is 10 cm and thickness of its wall is 5 mm. If resistivity of the material of the tube is 1.7 xx 10^(-8) Omega xx m then resistance of tube will be