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Biot-Savart Law

The Biot–Savart law is used to find the magnetic field intensity produced by a steady current.


The Biot–Savart law states that the magnetic field intensity Description: 60325.png produced at a point P due to a differential current element Idl is

  1. directly proportional to the product of current I and differential length dl,
  2. directly proportional to the sine of the angle between the element and the line joining P to the element, and
  3. inversely proportional to the square of the distance r.

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