question

(a) show that the time period (t) of oscillations of a freely suspended magnetic dipole of magnetic moment (m) in a uniform magnetic field (b) is given by , where i is a moment of inertia of the magnetic dipole.

(b) identify the following magnetic materials :

(i) a material having susceptibility.

(ii) a material having susceptibility.

 

 

 

 

 

 

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