MHT CET Physics question
Not in JEE Advanced syllabus
A domain in a ferromagnetic substance is in the form of a cube of side . If it contains atoms and each atomic dipole has a dipole moment of , then the magnetisation of the domain is [MHTCET 2021]
Answer: (A)
Solution
Total moment and (10^{-6})^310^{-18}$\
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