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**1. Homework Statement**

The expression for fall in temperature during adiabatic demagnetization is given by,

dT = [(CV)/(C(B)T)][(B(i)^2 - B(f)^2)/2]

where C = Curie constant, C(B) = Specific heat per unit volume at constant field, T = Temperature, B(i) and B(f) are the initial and final values of magnetic field. What does V represent in the above expression?

**2. Homework Equations**

**3. The Attempt at a Solution**

Is it the volume of the magnetic material?