A uniform copper wire of mass 2.23 xx10...

A uniform copper wire of mass `2.23 xx10^(-3)` kg carries a current of 1 A when 1.7 V is applied across it. Calculate the length and the area of cross section. If the wire is uniformly stretched to double its length, calculate the new resistance. Density of copper is `8.92xx10^3 kgm^(-3)` and resistivity is `1.7xx10^(-8) Omega m.`

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A uniform copper wire of mass 2.23xx10^(-3) kg carries a current of 1 A when 1.7 V is applied across it. Calculate its length and area of cross-section. If the wire is uniformly stretched to double its length, calculate the new resistance. Density of copper is 8.92xx10^(3) kg m^(-3) and resistivity is 1.7xx10^(-8) Omega m.

Calculate the resistance of 1 km long copper wire of radius 1 mm . Resistivity of copper is 1.72 xx 10^-8 Omega m .

Calculate the mass of copper required to draw a wire 5 km long having resistance of 5 Omega .The density of copper is 8.9 xx 10^(3) kg m^(-3) and resistance of copper is 1.7xx 10^(-8) Omega m

You need to produce a set of cylindrical copper wires 2.5 m long that will have a resistance fo 0.125Omega each. What will be the mass of each of these wires? (Density of copper is 8.9xx10^3 kgm^(-3) and resistivity of copper is 1.72 xx10^(-8) OmegaM).

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.

Calculate the area of cross-section of a wire if its length is .0 m , its resistance is 23 Omega and the resistivity of the material is 1.84 xx 10^-6 Omega m .

What length of a copper wire of cross-sectional area 0.01 mm^(2) would be required to obtain a resistance of 1k Omega ? Resistivity of copper =1.7xx10^(-8) Omega m .

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).

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