JEE Main & Advanced Physics Magnetism Question Bank Magnet and its Properties

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    A bar magnet having centre O has a length of 4 cm. Point P1 is in the broad side-on and P2 is in the end side-on position with OP1 = OP2 = 10 metres. The ratio of magnetic intensities H at P1 and P2 is                                      [MP  PET 1990]

    A)            \[{{H}_{1}}:{{H}_{2}}=16:100\]                                         

    B)            \[{{H}_{1}}:{{H}_{2}}=1:2\]

    C)            \[{{H}_{1}}:{{H}_{2}}=2:1\]    

    D)            \[{{H}_{1}}:{{H}_{2}}=100:16\]

    Correct Answer: B

    Solution :

               Magnetic intensity on end side-on position is twice than broad side on position.


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