Define Voltage And Current
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Current voltage and resistance current is the rate of flow of electric charge.
Define voltage and current. Voltage is represented in equations and schematics by the letter v. Voltage is defined so that negatively charged objects are pulled towards higher voltages while positively charged objects are pulled towards lower voltages. A potential difference voltage across an electrical component is needed to make a current flow through it. Current versus voltage comparison chart.
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 also called electromotive force is a quantitative expression of the potential difference in charge between two points in an electrical field. Current is the rate at which electric charge flows past a point in a circuit. So for this analogy remember.
Voltage is a representation of the electric potential energy per unit charge. 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. There are multiple useful ways to define voltage including the standard definition mentioned at the start of this page. In many cases a stronger electric force meaning a higher voltage produces a higher current because the charges are pulled faster toward ground.
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. In other words current is the rate of flow of electric charge. If a unit of electrical charge were placed in a location the voltage indicates the potential energy of it at that point. The current is the number of coulombs of charge passing by that point per second.
Voltage also called electromotive force is the potential difference in charge between two points in an electrical field. Voltage definition electromotive force or potential difference expressed in volts.
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