what is biot savart law

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The Biot-Savart Law relates magnetic fields to the currents which are their sources. In a similar manner, Coulomb's law relates electric fields to the point charges which are their sources. Finding the magnetic field resulting from a current distribution involves the vector product, and is inherently...
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The Biot-Savart Law relates magnetic fields to the currents which are their sources. In a similar manner, Coulomb's law relates electric fields to the point charges which are their sources. Finding the magnetic field resulting from a current distribution involves the vector product, and is inherently a calculus problem when the distance from the current to the field point is continuously changing. Each infinitesmal current element makes a contribution to the magnetic field at point P which is perpendicular to the current element, and perpendicular to the radius vector from the current element to the field point P. The relationship between the magnetic field contribution and its source current element is called the Biot-Savart law. The direction of the magnetic field contribution follows the right hand rule illustrated for a straight wire. This direction arises from the vector product nature of the dependence upon electric current. read less
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Innovations in living

In physics, specifically electromagnetism, the Biot--Savart law (/?bi?o? s??v??r/ or /?bjo? s??v??r/) is an equation describing the magnetic field generated by an electric current. It relates the magnetic field to the magnitude, direction, length, and proximity of the electric current.
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