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magnetic moment of a small bar magnet is...

magnetic moment of a small bar magnet is `1A.m^(2)` What will be the magnetic field at a point 1 m away from the centre of the magnet along its length?

Text Solution

Verified by Experts

The correct Answer is:
`2xx10^(-7)T`
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Magnetic moment of a small bar magnet is 2A.m^(2) Determine the magnetic field at a point 10 cm from the centre of the magnet on its perpendicular bisector.

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Knowledge Check

  • Magnetic field at a distance x along the axis of a short bar magnet is

    A
    inversely proportional to `x^(2)`
    B
    inversely proportional to `x^(3)`
    C
    proportional to the dipole moment of the magnet
    D
    twice the field at the same distance along perpendicular bisector of the axis of the magnet

  • A very small magnet is placed in the magnetic meridian with its S pole pointing north the null point is obtained 20cm away from the centre of the magnet what is the magnetic moment of the magnet if earth's field is 0.3xx10^(-4)T ?

    A
    `0.2A-m^2`
    B
    `12A-m^2`
    C
    `1.2A-m^2`
    D
    `2.4A-m^2`

    • Similar Questions

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    The length of a bar magnet is 20 cm and its magnetic moment is 0.6 A m^(2) . Determine the magnetic field at a point on the axis of the magnet and 30 cm away from the north pole .

    If the magnetic moment of a bar magnet of length 5 cm be 1A.m^(2) , what is the strength of each pole ?

    Determine the magnetic field of a bar magnet of length 10 cm , having a moment of 0.5A.m^(2) On the axis at a point 20 cm away from the mid-point of the magnet.

    The magnetic moment of a a small bar magnet is 0.9a.m^(2) If it is placed in a uniform magnetic field making an angle of 30^(@) It , a torque of 0.063N.m Acts on it. What is the magnetic field ?

    A small bar magnet is place horizontally in the magnetic meridian with its north pole pointing south ,. A neutral point is formed on the axis of the bar magnet at a distance of 24 cm from its south pole. If the horizontally component of earth's magnetic field is 0.18xx10^(-4) what will be the magnetic field at a distance of 20 cm north of the south pole?

    If the magnetic intensity at a point in a material is 100A.m^(-1) and the magnetic susceptibility is 1000? What will be the value of the magnetic field at that point?

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