Engineering Physics

Review Questions

1. What are paramagnetic and diamagnetic materials? Explain.

    

   (Set-4–Sept. 2006), (Set-1, Set-4–June 2005), (Set-4–Nov. 2004)

2. Explain the properties of paramagnetic materials.

    

   (Set-3–Nov. 2003)

3. Define the terms permeability (µ) susceptibility, magnetic induction (B), magnetic field (H) and magnetization (M) with reference to magnetism. Obtain a relation between magnetic susceptibility, magnetization and magnetic field.

    

   (Set-2–Nov. 2004), (Set-1–Nov. 2003)

4. Explain how the magnetic materials are classified from the atomic point of view.

    

   (Set-4–Nov. 2003)

5. What are the differences between hard and soft magnetic materials?

    

   (Set-4–Nov. 2003)

6. Explain the origin of diamagnetism. Obtain an expression for the diamagnetic susceptibility ...