What is the formula for calculating the cross-sectional area of an electrical wire for a certain ampere? - Quora
![Curent i is flowing through a wire of non uniform cross section as shown. Match the following two columns. Column 1 Column 2 a Current densityp is more at 1b Electric fieldq Curent i is flowing through a wire of non uniform cross section as shown. Match the following two columns. Column 1 Column 2 a Current densityp is more at 1b Electric fieldq](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1476778/original_5.png)
Curent i is flowing through a wire of non uniform cross section as shown. Match the following two columns. Column 1 Column 2 a Current densityp is more at 1b Electric fieldq
![The figure below shows wire 1 in cross section; the wire is long and straight, carries a current of 4.40 mA out of the page, and is at distance d1 = 2.40 The figure below shows wire 1 in cross section; the wire is long and straight, carries a current of 4.40 mA out of the page, and is at distance d1 = 2.40](https://homework.study.com/cimages/multimages/16/es2678285535204577278628.png)
The figure below shows wire 1 in cross section; the wire is long and straight, carries a current of 4.40 mA out of the page, and is at distance d1 = 2.40
![Consider a conductor of variable cross section in which current is flowing from cross section 1 to 2 . Then Consider a conductor of variable cross section in which current is flowing from cross section 1 to 2 . Then](https://haygot.s3.amazonaws.com/questions/157989.png)
Consider a conductor of variable cross section in which current is flowing from cross section 1 to 2 . Then
![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
![The figure shows wire 1 in cross-section; the wire is long and straight, carries a current of 3.80 mA out of the page, and is at distance d_1= 2.40 cm from a The figure shows wire 1 in cross-section; the wire is long and straight, carries a current of 3.80 mA out of the page, and is at distance d_1= 2.40 cm from a](https://homework.study.com/cimages/multimages/16/image4434060717218589538.jpg)
The figure shows wire 1 in cross-section; the wire is long and straight, carries a current of 3.80 mA out of the page, and is at distance d_1= 2.40 cm from a
![A electric current passes through non uniform cross-section wire made of homogeneous and isotropic meterial. A electric current passes through non uniform cross-section wire made of homogeneous and isotropic meterial.](https://d10lpgp6xz60nq.cloudfront.net/physics_images/BMS_OBJ_XII_C03_E01_037_Q01.png)