A current I flow around a wire bent into the shape of a square of side a. What is the magnetic field at the point P that is a distance z above the center of the square (see the accompanying figure)? Prove the magnitude magnetic field equals expression below Hola?
A current I flow around a wire bent into the shape of a square of side a. What is the magnetic field at the point P that is a distance z above the center of the square (see the accompanying figure)? Prove the magnitude magnetic field equals expression below Hola?
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