A copper wire of length 2m and area of cross-section `1.7 xx 10^(-6)m^(2)` has a resistance of `2 xx 10^(-2)`ohms. Calculate the resistivity of copper.

A copper wire of length 2 m and area of cross-section 1.7xx10^(-6)m^(2) has a resistance of 2xx10^(-2)Omega. The resistivity of copper is

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 copper wire of length 50cm and area of cross-section 10^(-6)m^(2) caries a current of 1A .If the resistivity of copper is 1.8times10^(-8)Omegam .The electrical field across the wire is

Find the resistance of a copper coil of total wire-length 10m and area of cross section 1.0mm^(2). What would be the resistance of a similar coil of aluminium? The resistivity of copper =1.7xx10^(-8)(Omega)m and that of aluminium 2.6xx10^(-8)(Omega).

Find the resistance of a copper coil of total wire-length 10m and area of cross section 1.0mm^(2). What would be the resistance of a similar coil of aluminium? The resistivity of copper =1.7xx10^(-8)(Omega)m and that of aluminium 2.6xx10^(-8)(Omega).