magnetism

Question: The magnetic field to a small magnetic dipole of magnetic moment M, at distance r from the centre on the equatorial line is given by (in M.K.S. system)



1) $\frac{{{\mu _0}}}{{4\pi }} \times \frac{M}{{{r^2}}}$
2) $\frac{{{\mu _0}}}{{4\pi }} \times \frac{M}{{{r^3}}}$
3) $\frac{{{\mu _0}}}{{4\pi }} \times \frac{{2M}}{{{r^2}}}$
4) $\frac{{{\mu _0}}}{{4\pi }} \times \frac{{2M}}{{{r^3}}}$
Solution: Explanation: No Explanation
Magnet and It's Properties

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