Calculate the electric field in a copper wire of cross sectional area 2mm^2 carrying a current of 2 ampere; given that resistivity of copper wire is 1.7×10^ 8 ohm m.
![Copper wire, 1.0mm (0.04in) dia, annealed, 99.9% (metals basis), Thermo Scientific Chemicals | Fisher Scientific Copper wire, 1.0mm (0.04in) dia, annealed, 99.9% (metals basis), Thermo Scientific Chemicals | Fisher Scientific](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-7440-50-8.jpg-650.jpg)
Copper wire, 1.0mm (0.04in) dia, annealed, 99.9% (metals basis), Thermo Scientific Chemicals | Fisher Scientific
![Calculate the electric field in a copper wire of cross-sectional area`2.0mm^(2)` carrying a current - YouTube Calculate the electric field in a copper wire of cross-sectional area`2.0mm^(2)` carrying a current - YouTube](https://i.ytimg.com/vi/YiiBjQuglIw/maxresdefault.jpg)
Calculate the electric field in a copper wire of cross-sectional area`2.0mm^(2)` carrying a current - YouTube
![How to Find the Best Gauge of Wire to Use to Achieve a Desired Resistance in Some Length of Conductor with Known Resistivity | Physics | Study.com How to Find the Best Gauge of Wire to Use to Achieve a Desired Resistance in Some Length of Conductor with Known Resistivity | Physics | Study.com](https://study.com/cimages/videopreview/videopreview-full/zc3bj4gd1h.jpg)