Home
Class 12
PHYSICS
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 uniformaly 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.`

Promotional Banner

Similar Questions

Explore conceptually related problems

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.

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 xx10^(-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

100 mg mass of nichrome metal is drawn into a wire of area of cross-section 0.05 mm. Calculate the resistance of this wire. Given density of nichrome 8.4 xx 10^3 "kgm"^(-3) and resistivity of the material as 1.2 xx 10^(-6) 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).

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).