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 $\frac{x}{2}$ on broad side on position..... $Gauss$

  • A

    $9$ 

  • B

    $4$ 

  • C

    $36$ 

  • D

    $4.5$ 

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