Mht Cet
Magnetism And Matter
MHT CET 2020 19th October Evening Shift
MCQ+1 / -02020
A domain in a ferromagnetic substance is in the form of a cube of side $1 \mu \mathrm{~m}$. If it contains $8 \times 10^{10}$ atoms and each atomic dipole has a dipole moment of $9 \times 10^{-24} \mathrm{Am}^2$, then the magnetisation of the domain is