Several Basic Laws of Magnetic Circuit and Their Calculation

6.1. Several basic laws6.1.1 Biot-Savart lawFigure 6.1 Biot Savart's LawCurrentCurrentB generated by u>element Idl at a certain point P in space is proportional to the size of the current element Idl, and is proportional to the current element Idl to P The position vector of a point is propor

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