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An ampere (symbol: A) is the base unit of current in the SI system, and is defined in terms of the force between two, parallel, current-carrying conductors, due to the interaction of their magnetic fields.

It's defined as follows: 'that constant current that, if maintained in two straight parallel conductors of infinite length and negligible cross-sectional area and placed one metre apart in a vacuum, would produce between them a force equal to 2 �� 10-7 newtons per unit length'.

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Kennedi Ratke

Lvl 10
3y ago

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