Unit EAs exaampere-second Electric Charge In the field of electric charge, unit EAs (exaampere-second) represents a measure of electric charge. It is a non-SI (International System of Units) unit of electric charge that comes from the combination of two units - exaampere (EA) and second (s). Exaampere (EA) is a unit of electric current, which is equal to 10^18 amperes (A). Amperes measure the flow of electric charge per unit time, and exaampere, being a multiple of the ampere, represents an extremely large current flow. Second (s) is the unit of time used in the International System of Units. When the exaampere is multiplied by the second, we get a unit that represents a measure of the electric charge that has passed through a point in an electric circuit over a certain period. In this case, an exaampere-second (EA·s) is equal to the flow of 10^18 coulombs of electric charge in one second. It's an enormous amount of electric charge that you would rarely encounter in day-to-day applications or even in most research scenarios, but can be used in specific areas where such high magnitudes of electric charge are relevant.