Magnetic intensity for an axial point due to a short bar magnet of magnetic moment $M$ is given by
Magnetic intensity for an axial point due to a short bar magnet of magnetic moment $M$ is given by
- A
$\frac{{{\mu _0}}}{{4\pi }} \times \frac{M}{{{d^3}}}$
- B
$\frac{{{\mu _0}}}{{4\pi }} \times \frac{M}{{{d^2}}}$
- C
$\frac{{{\mu _0}}}{{2\pi }} \times \frac{M}{{{d^3}}}$
- D
$\frac{{{\mu _0}}}{{2\pi }} \times \frac{M}{{{d^2}}}$
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