DC circuits

Definition

DC circuits, or direct current circuits, are electrical circuits where electric charge flows continuously in only one direction. In these circuits, there is no reversal of electron flow.

Related terms

Voltage: Voltage is the electric potential difference between two points in a circuit and determines how strongly electric charges will flow through it.

Resistance:

Resistance is a measure of how much opposition there is to the flow of electric current within a circuit component.

Ohm's Law:

Ohm's Law states that the current flowing through a conductor between two points is directly proportional to the voltage across those points and inversely proportional to the resistance.