Q.
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?
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a
9 gauss
b
4 gauss
c
36 gauss
d
4.5 gauss
answer is C.
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Detailed Solution
In C.G.S, Baxial=9=2Mx3 ......(i)Bequatorial=Mx23=8Mx3 ......(ii)From equations (i) and (ii), Bequatorial = 36 gauss
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