A conductor has a cross-sectional area of 2.3x 10 m and the number of free electrons per unit volume is 8.5x 10 electron/m'. When the current is 10.2 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10 C. Select one: OA. 0.43 OB. 0.33 OC 32.61 OD. 0.22 OE. 42.81
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