Self Studies

Magnetism and M...

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  • Question 1
    4 / -1

    The intensity of magnetic field is H and moment of magnet is M. The maximum potential energy is

  • Question 2
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    A bar magnet of magnetic moment 200A-m2 is suspended in a magnetic field of intensity 0.25N/A-m. The couple required to deflect it through 30° is

  • Question 3
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    Two similar bar magnets P and Q, each of magnetic moment M, are taken, If P is cut along its axial line and Q is cut along its equatorial line, all the four pieces obtained have

  • Question 4
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    There is no couple acting when two bar magnets are placed coaxially separated by a distance because

  • Question 5
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    The ultimate individual unit of magnetism in any magnet is called

  • Question 6
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    The magnetic field lines due to a bar magnet are correctly shown in

  • Question 7
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    The magnetic lines of force inside a bar magnet

  • Question 8
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    Intensity of magnetic field due to earth at a point inside a hollow steel box is

  • Question 9
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    Earth\'s magnetic field always has a horizontal component except at or horizontal component of earth\'s magnetic field remains zero at

  • Question 10
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    A dip needle in a plane perpendicular to magnetic meridian will remain

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