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3 Unit of Electric Current topics matching:
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| x name | x image | x Measurement System | x Current in amperes (A) | x article |
| x Ampere |
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International System of Units | 1 A |
The ampere (symbol: A) is the SI unit of electric current. The ampere, in practice often shortened to amp, is an SI base unit, and is named after André-Marie Ampère, one of the main discoverers of electromagnetism.
In practical terms, the ampere is...
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| x Abampere | Centimeter gram second system of units | 10 A |
The abampere (aA), also called the Biot after Jean-Baptiste Biot, is the basic electromagnetic unit of electric current in the emu-cgs system of units (electromagnetic cgs). One abampere is equal to ten amperes in the SI system of units. An abampere...
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| x Planck current |
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Planck units |
The Planck current is the unit of electric current, denoted by Ip, in the system of natural units known as Planck units.
≈ 3.479 × 10 A
where:
is the Planck charge
is the Planck time
= permittivity in vacuum
is the reduced Planck constant
G is...
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