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Magnetism and Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetism and Matter1 Mark
Question
Define intensity of magnetisation.
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Answer

Magnetic moment ( m ) generated in unit volume of a substance is called intensity of magnetisation.
$\overrightarrow{I}=\frac{\overrightarrow{m}}{V}$
It is a vector quantity and its unit is $A / m$.

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