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The magnetic susceptibility is negative for :
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- diamagnetic material only
- paramagnetic material only
- ferromagnetic material only
- paramagnetic and ferromagnetic materials
Correct Option: A
Magnetic susceptibility χ for dia-magnetic materials only is negative and low |χ| = –1; for paramagnetic
substances low but positive |χ| = 1 and for ferromagnetic substances positive and high |χ| = 102.
