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SI Units List Class 11th

Identify the vector quantity among the following
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alok kumar singh

Contributor-Level 10

Angular momentum is an axial vector along axis of rotation.

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3 weeks ago

SI Units List Force between two parallel currents, the Ampere

How does the force between parallel conductors used in defining the ampere (current SI unit)?
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Anushree Tiwari

Beginner-Level 5

The "ampere" was defined based on the magnetic interaction. The scientific community used the magnetic force between two parallel current-carrying conductors placed at a distance. Below is the definition of 1 ampere, based on this concept.

1 Ampere is the constant current that produces a magnetic force of exactly  2*10? 7? N/m, when two infinitely long, straight, parallel conductors are placed one meter apart in vacuum.

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