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Define axial line of a bar magnet....

Define axial line of a bar magnet.

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The line joining the North Pole and the South Pole of a bar magnet is called axial line of the bar magnet.
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Write an expression for magnetic field intensity at any point an axial line of a bar magnet.

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Knowledge Check

  • The magnetic potential at a point on the axial line of a bar magnet of dipole moment M is V . What is the magnetic potential due to a bar magnet of dipole moment M/4 at the same point ?

    A
    `4V`
    B
    `2V`
    C
    `V/2`
    D
    `V/4`

  • Statement-1: Magnetic field strength at a point on axial line of a bar magnet is along South to North pole of magnet. Statement-2: The magnetic field strength can never be along North to South pole of magnet.

    A
    Statement-1 is true, Statement-2 is true, Statement-2 is a correct explaination of Statement-1.
    B
    Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanation of Statement-1.
    C
    Statement-1 is true, Statement-2 is false.
    D
    Statement-1 is false, Statement-2 is true.

  • The null points are on the axial line of a "bar" Magnet when it is placed such that its south pole points

    A
    South
    B
    East
    C
    North
    D
    West

    • Similar Questions

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    The magnetic induction field strength at a distance 0.2 m on the axial line of a short bar magnet of mement 3.6Am^(2) is

    The magnetic induction field strength at a distance 0.3 m on the axial line of a short bar magnet of moment 3.6 Am^(2) is

    Magnetic inducton at a point on the axial line of a short bar magnet is B towards east. If the magnet is turned through 90^(0) in clock wise direction, then magnetic induction at the same point is (Neglect earth's magnetic field)

    The magnetic induction due to a short magnet at a distance of 20 cm on the axial line of a short bar magnet is 1.5xx10^(-6)" Wb/m"^(2) . What is the magnetic induction at a point on its axis at a distance of 5 cm from the centre of the magnet?

    The ratio of magnetic fields on the axial line of a long magnet at distance of 10cm and 20cm is 12.5.1. The length of the magnet is

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