Question

Explain Curie’s law for a paramagnetic substance.

Answer 1

Magnetic susceptibility inversely proportional to temperature.

`I_m prop B`

`I_m prop 1/T`

`:. I_m prop B/T`

`I_m prop (CB)/T`

`I_m = (C.mu.H)/T`

`I_m/H = (Cmu)/T`

`χ = C/T`

`:. χ prop C/T`