Define Voltage In Physics

Electric charge is a fundamental property of matter and is borne by elementary particles.

Define voltage in physics. 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. Voltage 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. A potential difference voltage across an electrical component is needed to make a current flow through it. In this analogy charge is represented by the water amount voltage is represented by the water pressure and current is represented by the water flow.

Voltage is represented in equations and schematics by the letter v. When describing voltage current and resistance a common analogy is a water tank. So for this analogy remember. Voltage is a representation of the electric potential energy per unit charge.

Metal wire is a conductor. Like mechanical potential energy the zero of potential can be chosen at any point so the difference in voltage is the quantity which is physically meaningful. If a unit of electrical charge were placed in a location the voltage indicates the potential energy of it at that point. A measure of the difference in electric potential between two points in space a material or an electric circuit expressed in volts.

Voltage synonyms voltage pronunciation voltage translation english dictionary definition of voltage. V s v 1 v 2 v 3. Voltage electric potential difference electric pressure or electric tension is the difference in electric potential between two points which in a static electric field is defined as the work needed per unit of charge to move a test charge between the two points. In electricity the particle involved is the electron which carries a charge designated by convention as negative.

You can verify kirchhoff s voltage law by connecting a circuit and measuring each resistor voltage and the source voltage. Electricity phenomenon associated with stationary or moving electric charges. The greater the voltage the greater the flow of electrical current that is the quantity of charge carriers that pass a fixed point per unit of time through a conducting or semiconducting medium for a given resistance to the flow. Some electrons around the metal atoms are free to move from atom to atom.

Voltage also called electromotive force is a quantitative expression of the potential difference in charge between two points in an electrical field. When a voltage is connected across a wire an electric field is produced in the wire. Therefore another way of expressing kirchhoff s voltage law in equation form is. In the international system of units the derived unit for voltage potential difference is named volt.