College Physics 10th Edition by Raymond Serway,Chris Vuille

تمرين 50

An aluminum wire having a cross-sectional area of 4.00 × 10 6 m 2 carries a current of 5.00 A. The density of aluminum is 2.70 g/cm 3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire