Question 13

Paramagnetic substances:
A. align themselves along the directions of external magnetic field.
B. attract strongly towards external magnetic field.
C. has susceptibility little more than zero.
D. move from a region of strong magnetic field to weak magnetic field.
Choose the most appropriate answer from the options given below:

Solution

Statement A is correct: Paramagnetic dipoles align themselves parallel to the direction of the external magnetic field.

Statement B is incorrect: They are only feebly (weakly) attracted towards an external magnetic field, not strongly (strong attraction is characteristic of ferromagnetic materials).

Statement C is correct: Their magnetic susceptibility ($$\chi_m$$) is small and positive ($$\chi_m \gtrsim 0$$).

Statement D is incorrect: They move from a region of weak magnetic field to a strong magnetic field.

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