Question

what do you mean by Alternative current

Answer 1

Alternating current (AC) is an electric currentwhich periodically reverses direction, in contrast to direct current (DC) which flows only in one direction. ... The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.

Answer 2

Alternating current is an electric current which periodically reverses direction, in contrast to direct current which flows only in one direction.