The intensity of magnetic field due to an isolated pole of strength mp at a point distant r from it will be-

$\frac{m_p}{r^2}$ $m_p r^2$ $\frac{r^2}{m_p}$ $\frac{r}{m_p}$

$\frac{m_p}{r^2}$

The magnetic intensity due to an isolated pole of strength mp at a distance r is $\frac{m_p}{r^2}$