![A copper wire of 3 mm^2 cross sectional area carries a current of 5 ampere . The magnitude of the drifty velocity for the electrons in the wire, (Assume copper to be A copper wire of 3 mm^2 cross sectional area carries a current of 5 ampere . The magnitude of the drifty velocity for the electrons in the wire, (Assume copper to be](https://i.ytimg.com/vi/SkbzBGMrU44/maxresdefault.jpg)
A copper wire of 3 mm^2 cross sectional area carries a current of 5 ampere . The magnitude of the drifty velocity for the electrons in the wire, (Assume copper to be
a wire of uniform cross section area is bent into a circuar loop of radius R . consider two points A and B on the loop , such that angle AOB =X .
![Cross-sectional area [Encyclopedia Magnetica™ - magnetism, electromagnetism, fields, phenomena, devices, and more...] Cross-sectional area [Encyclopedia Magnetica™ - magnetism, electromagnetism, fields, phenomena, devices, and more...]](https://www.e-magnetica.pl/lib/exe/fetch.php/wire_area_e-m.png)
Cross-sectional area [Encyclopedia Magnetica™ - magnetism, electromagnetism, fields, phenomena, devices, and more...]
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.
Two wires are made of the same material and have the same volume. However wire 1 has cross - sectional area A and wire 2 has cross - sectional area 3A .
![Resistance – Starter #2 Most wires are cylindrical in shape with a radius r and a length L. How would you calculate the cross sectional area (A) of the. - ppt video online download Resistance – Starter #2 Most wires are cylindrical in shape with a radius r and a length L. How would you calculate the cross sectional area (A) of the. - ppt video online download](https://slideplayer.com/10008623/32/images/slide_1.jpg)