Translation and analysis of words by ChatGPT artificial intelligence
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What (who) is voltage - definition
![[[Multimeter]] set to measure voltage](https://commons.wikimedia.org/wiki/Special:FilePath/9VBatteryWithMeter.jpg?width=200 "[[Multimeter]] set to measure voltage")
![The electric field around the rod exerts a force on the charged pith ball, in an [[electroscope]]](https://commons.wikimedia.org/wiki/Special:FilePath/Opfindelsernes bog3 fig282.png?width=200 "The electric field around the rod exerts a force on the charged pith ball, in an [[electroscope]]")
![Working on [[high voltage]] power lines](https://commons.wikimedia.org/wiki/Special:FilePath/US Navy 110315-N-0278E-002 High-voltage electricians from Naval Facilities Engineering Command (NAVFAC) Hawaii reconfigure electrical circuitry and.jpg?width=200 "Working on [[high voltage]] power lines")
Wikipedia
Voltage, also known as electric pressure, electric tension, or (electric) potential difference, is the difference in electric potential between two points. In a static electric field, it corresponds to the work needed per unit of charge to move a test charge between the two points. In the International System of Units, the derived unit for voltage is named volt.: 166
The voltage between points can be caused by the build-up of electric charge (e.g., a capacitor), and from an electromotive force (e.g., electromagnetic induction in generator, inductors, and transformers). On a macroscopic scale, a potential difference can be caused by electrochemical processes (e.g., cells and batteries), the pressure-induced piezoelectric effect, and the thermoelectric effect.
A voltmeter can be used to measure the voltage between two points in a system. Often a common reference potential such as the ground of the system is used as one of the points. A voltage can represent either a source of energy or the loss, dissipation, or storage of energy.
