.current that flow into opposite direction alternately.

.This means that the direction of current flowing in a circuit is constantly being reserved back and fourth.

.The current obtained from the generator is alternating current

Ac application

.Home and office outlets are almost always used in ac

.AC is also capable of powering electric motors.

.useful for many large appliances like refrigerators,dishwashers,and soon,which run on Ac.

.The power grid

Direct current

.Direct current (DC) is a current which flows in one direction only all batteries produce direct current

.in other word,it is also called steady direct current

(DC) Application

Example of devices that use DC:

.flash

.cell phone

.Laptops