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Define magneticsusceptibilityof a material. Name two elements, one having positive susceptibilityand the other having negative susceptibility . What does negative susceptibility signify ? |
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Answer» SOLUTION :Magnetic susceptibility : Magnetic susceptibility of a material is defined as the ratio of the INTENSITY of MAGNETISATION (I) induced in the material to the magnetisation force (H) applied on it. Magneticsusceptibility is represented by `X_(m)=(I)/(H)`. `Diamagnetic substances like copper, lead etc. has NEGATIVE susceptibility. Paramagnetic substances like ALUMINIUM, calcium etc. has positive susceptibility. Negative susceptibilityof diamagnetic substance does not change with temperature. |
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