Posted by kabelo on Saturday, August 14, 2010 at 6:04am.
(density)*(area)*(drift velocity)*(electron charge) = current, in Amperes.
Solve for the drift velocity, which will probaby be slow.
Current density is (total current)/(area)
The "area" in both cases is pi*D^2/4, and should be expressed in square meters.
Related Questions
physics - A copper wire has a circular cross section with a radius of 3.75 mm. ...
physics - A copper wire has a circular cross section with a radius of 3.75 mm. ...
physics - A horizontal wire carries a large current. A second wire carrying a ...
physics - A horizontal wire carries a large current. A second wire carrying a ...
physics - Suppose that you wish to fabricate a uniform wire out of 0.900 g of ...
Physics - 1) Suppose that you wish to fabricate a uniform wire out of 1.15 g of ...
Physics - 1) Suppose that you wish to fabricate a uniform wire out of 1.15 g of ...
Physics - A wire of radius R carries a non-uniform current: the current density...
physics - A long, straight wire has a 12.1 A current flowing in the positive x-...
Physics - You've made the finals of the Science Olympics! As one of your ...
For Further Reading
