A 4.0 m long copper wire of cross sectional area `1.2 cm^(2)` is stretched by a force of `4.8 × 10^(3)` N stress will be -

A 4m long copper wire of cross sectional are a 1.2cm^(2) is strechted by a force of 4.8xx10^(3)N . if Young's modulus for copper is Y = 1.2xx10^(11) M//m^(2) , the increases in length of wire and strain energy per unit volume are

A copper wire of length 4.0 mm and area of cross-section 1.2 cm^(2) is stretched with a force of 4.8 xx 10^(3) N. If Young's modulus for copper is 1.2xx10^(11) N//m^(2) , the increases in the length of the wire will be

A uniform wire of length 6m and a cross-sectional area 1.2 cm^(2) is stretched by a force of 600N . If the Young's modulus of the material of the wire 20xx 10^(10) Nm^(-2) , calculate (i) stress (ii) strain and (iii) increase in length of the wire.

When a copper wire of area of cross section 1 mm^(2) is stretched by a force of 10N. Then the work done per unit volume in stretching the wire is (Y=1.2xx10^(11)Nm^(-2))

Calculate the resistance and electrical conductivity of a 2m long copper wire of cross sectional area 0.01 mm^2 . Givne resistivity of copper is 1.78xx10^(10) Omega m .

A current of 4.8 A is flowing in a copper wire of cross-sectional area 3xx10^(-4) m^(2) . Find the current density in the wire.

A wire 3m long and having cross - sectional area of 0.42m^(2) is found to stretched by 0.2 m under a tension of 1000 N. The value of young's modulus for the material of the wire is

A tension of 20 N is applied to a copper wire of cross sectional area 0.01 cm^(2) , Young's modulus of copper is 1.1 xx 10^11N//m^(2) and Poisson's ratio is 0.32. The decrease in cross sectional area of the wire is

Calculate the resistance of a 1 Km long copper wire of area of cross section 2 xx 10^(-2) cm^(2) . The resistivity of copper is 1.623 xx 10^(-8) ohm-meter.