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.
What is the formula for calculating the cross-sectional area of an electrical wire for a certain ampere? - Quora
![The current in a copper wire having cross sectional area 2 mm Given E = 8.5 x10-3 V/m, p= 1.7 x 10-8 12-m (3) 2 A (4) 4 A (1) 1 A (2) 3 A nmf (a) when Ammeter read The current in a copper wire having cross sectional area 2 mm Given E = 8.5 x10-3 V/m, p= 1.7 x 10-8 12-m (3) 2 A (4) 4 A (1) 1 A (2) 3 A nmf (a) when Ammeter read](https://toppr-doubts-media.s3.amazonaws.com/images/2092981/1d4fc390-1221-473f-8b7a-d9da0befdad3.jpg)
The current in a copper wire having cross sectional area 2 mm Given E = 8.5 x10-3 V/m, p= 1.7 x 10-8 12-m (3) 2 A (4) 4 A (1) 1 A (2) 3 A nmf (a) when Ammeter read
![Village Electrification: Part 3: Electrical control systems: 1. Fundamental principles of electrical control systems Village Electrification: Part 3: Electrical control systems: 1. Fundamental principles of electrical control systems](https://www.nzdl.org/gsdl/collect/hdl/index/assoc/HASH01a4/19b0834c.dir/p030b.png)
Village Electrification: Part 3: Electrical control systems: 1. Fundamental principles of electrical control systems
![electricity - Does current density from a wire same in smaller cross section? - Physics Stack Exchange electricity - Does current density from a wire same in smaller cross section? - Physics Stack Exchange](https://i.stack.imgur.com/zGunG.jpg)
electricity - Does current density from a wire same in smaller cross section? - Physics Stack Exchange
![Village Electrification: Part 6: Distribution systems: 2. Three phase low voltage lines in small isolated grids Village Electrification: Part 6: Distribution systems: 2. Three phase low voltage lines in small isolated grids](https://www.nzdl.org/gsdl/collect/hdl/index/assoc/HASH01a4/19b0834c.dir/p065a.png)
Village Electrification: Part 6: Distribution systems: 2. Three phase low voltage lines in small isolated grids
![A uniform copper wire of length 1m and cross -sectional area 510-7m2 carries a current of 1A. Assuming that there are 81028 electrons per m3 in copper ,how long will an electron A uniform copper wire of length 1m and cross -sectional area 510-7m2 carries a current of 1A. Assuming that there are 81028 electrons per m3 in copper ,how long will an electron](https://toppr-doubts-media.s3.amazonaws.com/images/4866555/5981ad3e-6161-48b0-af82-a22f41cd8596.jpg)
A uniform copper wire of length 1m and cross -sectional area 510-7m2 carries a current of 1A. Assuming that there are 81028 electrons per m3 in copper ,how long will an electron
![homework and exercises - If the cross-sectional area of a wire doubles shouldn't the current also double? - Physics Stack Exchange homework and exercises - If the cross-sectional area of a wire doubles shouldn't the current also double? - Physics Stack Exchange](https://i.stack.imgur.com/Eqquh.png)