question_answer

A paramagnetic substance in the form of a cube with sides 1 cm has a magnetic dipole moment of \[20\times {{10}^{-6}}J/T\] when a magnetic intensity of \[60\times {{10}^{3}}A/m\]is applied. Its magnetic susceptibility is- [JEE Main 11-Jan-2019 Evening]

A) \[3.3\times {{10}^{-2}}\]

B) \[4.3\times {{10}^{-2}}\]

C) \[3.3\times {{10}^{-4}}\]

D) \[2.3\times {{10}^{-2}}\]

Correct Answer: C

Solution :

[c] Intensity of magnetization