Rating Newest Oldest. Best Answer: Electric current is the flow (movement) of electric charge. The SI unit of electric current is the ampere (A), which is equal to a flow of one coulomb of charge per second In solid conductive metal, a large population of electrons are mobile or free electrons.lectric current is the flow (movement) of electric charge. The SI unit of electric current is the ampere (A), which is equal to a flow of one coulomb of charge per second. God_Of_War · 8 years ago. Thumbs up.