Magnetostatics - The Biot-Savart Law - The Magnetic field of a steady current

3 important questions on Magnetostatics - The Biot-Savart Law - The Magnetic field of a steady current

How is the magnetic field of a steady line current given?

It is given by the Biot-Savart Law The integration happens along the current path, in the direction of the flow.

dl is an elemt of lengrg along the wire and  fancy r is the vector from the source to the poiny r

How does the Biotsavart look like for surface currents?

With surface current desity

How does Biosaavrt look like for volume currentS?

With the volume current density.

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