Question

The permanent magnetic moment of the atoms of a material is zero. The material _________________ .

विकल्प

• must be paramagnetic

• must be diamagnetic

• must be ferromagnetic

• may be paramagnetic

Answer 1

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.