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CBSE - XII Science - Physics - Magnetism and Matter

please explain the magnetic field due to a circular loop carrying current usin biot savart law

Asked by 20th February 2009, 4:12 PM
Answered by Expert


Field at Center of Current Loop

The form of the magnetic field from a current element in the Biot-Savart law becomes

which in this case simplifies greatly because the angle =90 ° for all points along the path and the distance to the field point is constant. The integral becomes

Answered by Expert 21st February 2009, 12:08 AM

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