What is the formula for calculating the cross-sectional area of an electrical wire for a certain ampere? - Quora
I have a 20-AWG wire 7/28 stranded and need to know the cross section in MM2. How do I calculate that? - 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/5392489/a083f539-6ba2-4aa9-a1a1-8ff968727ce8.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
![7. The steel wire of cross-sectional area = 2 mm2 TY = 200 GPa, a = 10 °C] is stretched and tied firmly between two rigid supports, a temperature = 20°С. At 7. The steel wire of cross-sectional area = 2 mm2 TY = 200 GPa, a = 10 °C] is stretched and tied firmly between two rigid supports, a temperature = 20°С. At](https://toppr-doubts-media.s3.amazonaws.com/images/2359439/399d921c-8040-4b28-aecc-fe952efb1a0c.jpg)
7. The steel wire of cross-sectional area = 2 mm2 TY = 200 GPa, a = 10 °C] is stretched and tied firmly between two rigid supports, a temperature = 20°С. At
![A steel wire of length l and cross sectional area A is stretched by 1 cm under a given load. Whe... - YouTube A steel wire of length l and cross sectional area A is stretched by 1 cm under a given load. Whe... - YouTube](https://i.ytimg.com/vi/G5_b5onyIvs/maxresdefault.jpg)