Engineering Physics

Review Questions

1. What is piezo electricity?

    

   (Set-1–Sept. 2007), (Set-2–May 2004), (Set-2–May 2003)

2. With usual notations, show that P = ∈₀(∈_r – 1)E.

    

   (Set-3–Sept. 2007), (Set-1–May 2004), (Set-4–Nov. 2004), (Set-1–May 2003)

3. What is dipolar relaxation? Discuss the frequency dependence of orientational polarization.

    

   (Set-3–Sept. 2007), (Set-1–May 2004), (Set-4–Nov. 2004), (Set-1–May 2003)

4. Explain electronic polarization in atoms and obtain an expression for electronic polarizability in terms of the radius of the atom.

    

   (Set-4–May 2007), (Set-4–May 2004), (Set-3–Nov. 2004), (Set-4–May 2003)

5. Explain Clausius–Mosotti relation in dielectrics subjected to static fields.

    

   (Set-1–Sept. 2008), (Set-1–June 2005), (Set-3–June 2005), (Set-3–May 2003) ...