Задача id16517

Find the average speed v of the directional movement (drift) of electrons in a metal conductor through which a current I = 12 A flows, if a unit volume of the conductor contains n = 5·1021 cm-3 free electrons. Conductor cross-section S = 0.5 cm2. Electron charge e = 1.6·10-19 C.

Detailed solution. Format gif