Question

what causes current to flow​

Answer 1

Explanation:

In electrical conductors, current (flow) results from the movement of electrons from one atom to the next. Electrons are either positively or negatively charged. Negative electrons are attracted to positive electrons. At the atomic level, a negative electron will jump from one atom to another.

Answer 2

Movement of electrons from one atom to another. At the atomic level, a negative electron will jump from one atom to another resulting in current flow.