Question: Explain the difference between a Ferromagnet and a paramagnet on the basis of macroscopic measurements. What is the saturation magnetization and how does it differ

Explain the difference between a Ferromagnet and a paramagnet on the basis of macroscopic measurements. What is the saturation magnetization and how does it differ as a material is heated through its Curie point? What criteria are used to distinguish between hard and soft magnetic materials? In deciding on a material for use in (a) an electromagnet (b) a transformer what magnetic properties would you take into consideration?

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