Electric current
flow of electric charge / From Wikipedia, the free encyclopedia
An electric current is a flow of electric charge through a conductor. The equation of current is:[1]
-
- where
- is the current flowing
- is the change in electric charge
- is the change in time
The SI unit of electric current is the ampere (A). This is equal to one coulomb of charge in one second. Electric current can be found in wires, batteries, and lightning.