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[" I bar magnet of length "3cm" has poin...

[" I bar magnet of length "3cm" has points "A" and "B" along its axis at distances of "24cm" and "48cm" on "],[" pposite sides.Ratio of magnetic fields at these points will be "],[qquad [" A "],[qquad k-24cm rarr k" 48"cm rarr],[" 8"]]

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