MCQ
Fill in the Blanks
The permanent magnetic moment of the atoms of a material is zero. The material _________________ .
Options
must be paramagnetic
must be diamagnetic
must be ferromagnetic
may be paramagnetic
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Solution
must be diamagnetic
Paramagnetic and ferromagnetic materials have non zero permanent magnetic moment on their own. Only atoms of diamagnetic materials have zero permanent magnetic moment.
Concept: Magnetic Substances
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