When a ferromagnetic material goes through a hysteresis loop, its theremal energy is increased. Where does this energy come from?

When a ferromagnetic material goes through a hysteresis loop, the magnetic susceptibility

When a ferromagnetic material is heated above its Curie temperature , the material

When a ferromagnetic material is placed in a strong external magnetic field, its domain size

When you push your bicycle up on an incline the potential energy of the bicycle and yourself increses. Where does this energy come from?

When a ferromagnetic material is heated to temperature above its Curie tamperature, the material