Q 2474180056.     A bar magnet of length `3 cm` has points `A` and `B`
along its axis at distances of `24 cm` and `48 cm` on
the opposite sides. Ratio of magnetic fields at
these points will be

UPSEE 2010
A

`8`

B

`1/(2sqrt 2)

C

`3`

D

`4`

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