List any three differences between an alternating current and a direct current.

Explanation

`{:(" DC"," AC"),("It flows in one direction in the circuit" ,"It reverses its direction while flowing in a circuit."),("DC voltage cannot travel very far as it begins to lose energy.", "AC voltage can travel over longer distances without much loss of power."),("The frequency of DC is zero." ,"The frequency of AC is 50 Hz or 60 Hz depending upon the country. "):}`