Write three points of differences between para-, dia- and ferromagnetic materials, giving one example for each.

 

 

 

 
 
 
 
 

Answers (1)

 

Here, \epsilon is a very small positive number.

Paramagnetic Diamagnetic Ferromagnetic
0<\chi<\epsilon -1\leq \chi<0 \chi>>1.
1< \mu_r<1+ \epsilon 0\leq \mu_r<1 \mu_r> > 1
\mu>\mu_0 \mu<\mu_0 \mu>>\mu_0
Examples- Aluminium,sodium,oxygen calcium Examples- Silicon, Copper, bismuth, lead. Examples- Iron, Cobalt, Nickel

 

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