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The magnetic moment is 5Am^2 and the pol...

The magnetic moment is `5Am^2` and the pole strength is 25 A.m What is the length of the magnet ?

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The correct Answer is:
20 cm
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What is AM?

Let the magnetic moment of a bar magnet be vec(p)_(m) whose magnetic length is d = 2l and pole strength is q_(m) . Compute the magnetic moment of the bar magnet when it is cut into two pieces perpendicular to its length.

Knowledge Check

  • The magnetic moment of Mn^(2+) ion is

    A
    5.92BM
    B
    2.80BM
    C
    8.95BM
    D
    3.90BM

  • The magnetic moment of Mn^(2+) ion is

    A
    5.92BM
    B
    2.80BM
    C
    8.95BM
    D
    3.90BM

  • The magnetic moment of Mn^(2+) ion is

    A
    `5.92 BM`
    B
    `2.80 BM`
    C
    `8.95 BM`
    D
    `3.90BM`

    • Similar Questions

    Explore conceptually related problems

    Let the magnetic moment of a bar magnet be vec(p)_(m) whose magnetic length is d = 2l and pole strength is q_(m) . Compute the magnetic moment of the bar magnet when it is cut into two pieces along its length

    Let the magnetic moment of a bar magnet be vec(p_(m)) whose mangetic length is d = 2l and pole strenght is q_(m) . Compute the magnetic moment of the bar magnet when it is cut into two pieces. (a) along its length (b) perpendicular to its length

    The distance between the poles of horse shoe magnet is 10 cm and its pole strength is 10^4 A.m . Calculate the field at the point P midway between the poles.

    What are the factors that determine the strength of the magnet?

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