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Magnetism and Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetism and Matter1 Mark
Question
Define magnetic moment.
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Answer

Product of effective length and pole strength of a magnet is known as magnetic moment. It is a vector quantity whose direction is from south pole to the north pole. Its unit is ampere-metre ${ }^2$.

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