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Magnetic field at a distance x along the...

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

Text Solution

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The correct Answer is:
B, C, D
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Knowledge Check

  • A magnet of magnetic moment 50hatiA-m^2 is placed along the x axis in a magnetic field B=(0.5hati+3.0hatj) T the torque acting on the magnet is

    A
    `175hatk`N-m
    B
    `150hatkN-m`
    C
    `75hatkN-m`
    D
    `25sqrt37hatkN-m`

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