A general definition of electric current is
A) a drift of free electrons in a conductor.
B) a drift of electric charges in a conductor.
C) a drift of electrons from positive to negative.
D) a drift of ions from positive to negative.

Question

Quizplus · Accepted Answer

Electric current is defined as the flow of electric charges in a conductor. Although electrons do move in the conductor, it is the movement of charged particles (which could be electrons or ions) that constitutes electric current. Choice A is not specific enough, as it refers only to electrons and not other charged particles that could contribute to current. Choice C is incorrect, as electrons themselves are negatively charged and do not move towards a negative terminal. Choice D is an incorrect definition of electric current, as it refers specifically to the movement of ions and not charged particles in general.

A General Definition of Electric Current Is