[" Antitinal of the wire in terms of its original resistance."],[" Whice the resistance of an aluminium wire of length "60" com and cross-sectional area "1],[" ance of aluminium is "2.6times10^(-5)Omega-ml" ."]

Calculate the resistance of an aluminium wire of length 50 cmand cross sectional area 2.0mm^(2) . The resistivity of aluminium is (rho)=2.6xx10^(-8)(Omega)m.

Calculate the resistance of an aluminium wire of length 50 cmand cross sectional area 2.0mm^(2) . The resistivity of aluminium is (rho)=2.6xx10^(-8)(Omega)m.

Calculate the resistance of an aluminium wire of length 50 cm and cross sectional area 2.0mm^(2) . The resistivity of aluminium is (rho)=2.6xx10^(-8)(Omega)m.

Find the resistance of a silver wire of length 5m and area of cross-section 4mm^2 . Resistivity of a silver is 1.6xx10_-8 Omega m.

If the resistance of wire A is four times the resistance of wire B, find the ratio of their cross sectional areas.

(a) Write down an expression for the resistance of a metallic wire in terms of the resistivity. (b) What will be the resistance of metal wire of length 2 metres and ares of cross-section 1.55 xx 10^(-6)m^(2) , if the resistivity of the metal be 2.8 xx 10^(-8) Omega m ?