Voltage
Voltage
Voltage (pronounced: /ˈvoʊltɪdʒ/), also known as electric potential difference or electric tension, is the electric potential energy per unit charge, measured in joules per coulomb ({{J/C}}), or volts ({{V}}). It is named after the Italian physicist Alessandro Volta ({{1745–1827}}).
Etymology
The term "voltage" comes from the name of Alessandro Volta, who in 1800 invented the voltaic pile, the first chemical battery. The unit of voltage, the volt, was named in his honor.
Definition
Voltage is defined as the work done per unit charge against a static electric field to move the charge between two points. A voltage may represent either a source of energy (electromotive force), or lost, used, or stored energy (potential drop).
Related Terms
- Electric Current: The rate of flow of electric charge past a point or region.
- Resistance: The opposition to the passage of an electric current.
- Ohm's Law: The law stating that the current through a conductor between two points is directly proportional to the voltage across the two points.
- Circuit: A closed path in which electrons from a voltage or current source flow.
- Ampere: The unit of electric current in the International System of Units (SI).
- Joule: The unit of energy in the International System of Units (SI).
External links
- Medical encyclopedia article on Voltage
- Wikipedia's article - Voltage
This WikiMD dictionary article is a stub. You can help make it a full article.
Languages: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
Urdu,
বাংলা,
తెలుగు,
தமிழ்,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
European
español,
Deutsch,
français,
русский,
português do Brasil,
Italian,
polski