Volt
(Redirected from Kilovolts)
Volt is the derived unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827).
Definition[edit | edit source]
One volt is defined as the difference in electric potential between two points of a conducting wire when an electric current of one ampere dissipates one watt of power between those points. It is also equal to the potential difference between two parallel, infinite planes spaced 1 meter apart that create an electric field of 1 newton per coulomb. Additionally, it is the potential difference between two points that will impart one joule of energy per coulomb of charge that passes through it. It can be expressed in terms of SI base units (m²·kg·s⁻³·A⁻¹) as well as derived units like ohms (V=A·Ω) and watts (V=W/A).
Josephson junction definition[edit | edit source]
The volt is maintained in laboratories using a special type of Josephson junction known as the Josephson voltage standard, which allows for creation of a highly accurate and reproducible reference voltage. These standards are used to calibrate voltmeters and are used in the definition of the ohm.
See also[edit | edit source]
- Alessandro Volta
- Electric potential
- Electric potential difference
- Electromotive force
- International System of Units
- Josephson voltage standard
- Ohm
- Watt
References[edit | edit source]
| Volt Resources | |
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