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Hello, I have recently been doing homework about magnetic dipoles, and one doubt has come to my mind; Does a dipole pointing in ine direction produces a negative field in the contrary?.
http://en.wikipedia.org/wiki/Dipole#mediaviewer/File:VFPt_dipole_point.svg
That is what this image seems to sugest.
And the equation http://data:image/jpeg;base64,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 seems to comfirm it for negative r, but for me this seems a little weird.
Can anyone confirm this?
Since the images don't work, the first one is the standard drawing of the dipole's field and the second is the standar formula for B, the first one which appears on wikipedia
http://en.wikipedia.org/wiki/Dipole#mediaviewer/File:VFPt_dipole_point.svg
That is what this image seems to sugest.
And the equation http://data:image/jpeg;base64,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 seems to comfirm it for negative r, but for me this seems a little weird.
Can anyone confirm this?
Since the images don't work, the first one is the standard drawing of the dipole's field and the second is the standar formula for B, the first one which appears on wikipedia