Problem 8 Find the drift speed y of conduction electrons in a gold wire of diameter 2.20 mm when a current of 0.167 A flows in it. The density of conduction electrons in gold is 5.90 * 1020 m-3 . What is this drift speed? 7 A 1.55 x 10- m/s B. 2.15 x 10 m/s C. 3.25 x 10-m/s D. 4.65 x 10-6 m/s E. 5.85 x 10-6 m/s