Electrons,each with charge e,move with speed v along a metal wire.the electric current in the wire is I.Plane P is perpendicular to the length of wire.How many electrons pass through plane P in each second?
Electrons,each with charge e,move with speed v along a metal wire.the electric current in the wire is I.Plane P is perpendicular to the length of wire.How many electrons pass through plane P in each second?