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Earth's Magnetism

Intensity of ...

Question

Intensity of magnetic field at point x on the axis of a small magnet is equal to the field intensity at another. Point on its equatorial axis .The ratio of X and Y from the centre of the magnet will be?

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Solution

B1=2Mx3andB2=My3
As B1=B2
Hence 2Mx3=My3orx3y3=2orxy=21/3

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