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Due to a small magnet, intensity at a distance x in the end on position is 9 gauss. What will be the intensity at a distance x2 on broad side on position?

9 gauss
4 gauss
36 gauss
4.5 gauss

detailed solution

Correct option is C

In C.G.S, Baxial=9=2Mx3   ......(i)Bequatorial=Mx23=8Mx3   ......(ii)From equations (i) and (ii), Bequatorial = 36 gauss

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