- #1
erece
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In the expression of Biot-Savart law
B = (µo/4π) ∫ (I dl x r^)/r2
why dl does not depend on the coordinate systems ?
in books they are using del X dl = 0
B = (µo/4π) ∫ (I dl x r^)/r2
why dl does not depend on the coordinate systems ?
in books they are using del X dl = 0