Voltage Energy

The voltage or potential difference from point a to point b is the amount of energy in joules as a result of electric field required to move 1 coulomb of positive charge from point a to point b.

Voltage energy. It is often referred to as electric potential which then must be distinguished from electric potential energy by noting that the potential is a per unit charge quantity. Typically the reference point is the earth or a point at infinity although any point can be used. In physics power is the amount of energy transferred or converted per unit time. One point has more charge than another.

Different forms of power could be electric power which is the rate at which electrical energy is transferred by a circuit human power and optical power. Power is a scalar quantity. This difference in charge between the two points is called voltage. In older works power is sometimes called activity.

In the international system of units the unit of power is the watt equal to one joule per second. It is measured in volts which technically is the potential energy difference between two points that will impart one joule of energy per coulomb of charge that passes through it don t panic if this makes no sense all will be explained. An electric potential also called the electric field potential potential drop or the electrostatic potential is the amount of work needed to move a unit of charge from a reference point to a specific point inside the field without producing an acceleration. For instance potential energy is dependent on the position of the object whereas kinetic energy is the energy required to accelerate an object to a particular speed and so on.