WebApr 11, 2024 · The specific resistance of different materials varies in an enormous amount. The specific resistance depends upon the number of electrons, the temperature of the … WebIt resists corrosion and is a good conductor of heat and has a high conductivity when it comes to electricity. This is why the main uses of copper are electrical. Because of its ductility, it can be used to make wires of varying diameters, and it is very strong. Copper can also maintain solidity at 1083C and boils at 2567C.
Electrical resistivity and conductivity - Wikipedia
WebElectrical resistivity, also known as specific resistance, depends o… Similar questions. arrow_back_ios arrow_forward_ios. A copper wire has a circular cross section with a radius of 1.25 mm. (a) If the wire carries a current of 3.70 A, find the drift speed of electrons in the wire. (Take the density of mobile charge carriers in copper to be ... WebThe specific resistance ρ of a circular wire of radius r, resistance R, and length l is given by ρ = π r 2 R / l. Given: r = 0 . 2 4 ± 0 . 0 2 c m , R = 3 0 ± 1 Ω , and l = 4 . 8 0 ± 0 . 0 1 c m . the young christmas album 2
Resistance and Resistivity Physics - Lumen Learning
Webρ = R A/l. ρ = Ω-m (Ohm-meter) According to the equation, the resistivity of a material is the resistance offered by a material having area of 1 m2 & length of one meter. In other … WebThe resistivity of copper is 1.72 × 10-8 Ω⋅m. Answer is 8185 Ω, please show how to arrive at answer. What is the resistance of a piece of circular copper wire with a diameter of 0.55 mm that is stretched between Baton Rouge and New Orleans – a distance of 70 miles (1.13 × 105 m)? The resistivity of copper is 1.72 × 10-8 Ω⋅m. WebResistance of the material R = ρL/A. R = (3.5 x 10)/2. = 17.5 Ω. Conductance G = 1/R. = 1/17.5. = 0.057. Therefore, the resistance and Conductance of the wire is 17.5 Ω and 0.057 S. Want to explore more concepts & make all your calculations much easier and faster then have a look at Onlinecalculator.guru and click on the available different ... the young cicero reading