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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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?
27 (2? + ) (2² + )
Transcribed Image Text: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? 27 (2? + ) (2² + )
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