Biot–Savart law

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Notion

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Science and technology

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What Wikipedia says

In physics, specifically electromagnetism, the Biot–Savart law ( or ) is an equation describing the magnetic field generated by a constant electric current. It relates the magnetic field to the magnitude, direction, length, and proximity of the electric current.

Excerpt from the Wikipedia article “Biot–Savart law”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Guy vandegrift, CC BY-SA 4.0, via Wikimedia Commons.