What Is Voltage In Electricity

The two simplest of these are called series and parallel and occur frequently.

What is voltage in electricity. Components of an electrical circuit or electronic circuit can be connected in series parallel or series parallel. A basic electrical engineering equation called ohm s law spells out how the three terms relate. Many latin american african and asian countries however use a motley collection of. At first these concepts can be difficult to understand because we cannot see them.

In the power systems analysis field of electrical engineering a per unit system is the expression of system quantities as fractions of a defined base unit quantity. Electrical voltage is defined as electric potential difference between two points of an electric field. Voltage is a representation of the electric potential energy per unit charge. The voltage in japan is 100 volt which is different from north america 120v central europe 230v and most other regions of the world.

If a unit of electrical charge were placed in a location the voltage indicates the potential energy of it at that point. V is the voltage between point 2 and 1 in volts v. One volt is the energy of 1 joule that is consumed when electric charge of 1 coulomb flows in the circuit. In other words it is a measurement of the energy contained within an electric field or an electric circuit at a given point it is equal to the work that would have to be done per unit charge.

Ampere a ampere is the electrical unit of electrical current. It measures the amount of electrical charge that flows in an electrical circuit per. When beginning to explore the world of electricity and electronics it is vital to start by understanding the basics of voltage current and resistance. Where i stands for current measured in amps v is voltage measured in volts and r symbolizes resistance measured in ohms.

These are the three basic building blocks required to manipulate and utilize electricity. If you take a scroll down the page you will notice that most countries have a well defined plug and voltage standard. φ 2 is the electric potential at point 2. Current is equal to the voltage divided by the resistance.

The list also reveals that types a and c are the most frequently used electric plugs worldwide. 1v 1j 1c. Plugs come in various versions but most commonly they are non polarized and ungrounded with two pins. Electrical units definitions volt v volt is the electrical unit of voltage.

Calculations are simplified because quantities expressed as per unit do not change when they are referred from one side of a transformer to the other. It s written like this. The standard voltage of a home electrical outlet in the united states is 120 volts although the actual voltage supplied may be as low as 110 volts due to line conditions. Using water pipe analogy we can visualize the voltage as height difference that makes the water flow down.

V φ 2 φ 1.