3
Diamagnetic
Paramagnetic
Ferromagnetic
–1 £ c < 0
0 < c <  e
c >> 1
0 £ mr < 1
1< mr < 1+ e
mr >> 1
m < m0
m > m0
m >> m0
5 5 1  Diamagnetism
Diamagnetic substances are those which have tendency to move from
stronger to the weaker part of the external magnetic field In other words,
unlike the way a magnet attracts metals like iron, it would repel a
diamagnetic substance