Question

Consider a paramagnetic material that obeys Curie's Law,

where Cc is a constant, and whose heat capacity at constant magnetization is

with constant A also

Assume that a Carnot cycle is performed using paramagnetic solids as working material (i.e. as the ideal gas in the usual case). Show that

with obvious notation

T2 QinTalta Qout Tbaja

Answer 1

A{서 2 and Aw for an isoirm 2D

sie du-dUCrdT ラ 2D 之D diabih Fey , d9-o. dU--dw.when a^ proces 拟"I'べ CaD虹.ndM MA dT. HdM CAD

2 Hc M D beca