Saturday, 18 May 2013

Electrical and Electronics Engg. Materials

ELECTRICAL & ELECTRONICS ENGINEERING MATERIALS
SEM-IV, 2013
B.TECH EXAMINATION
UTTARAKHAND TECHNICAL UNIVERSITY
(UTU)


Time: 2 hrs
Total marks: 50
Note: Attempt all questions.

Q1:- Attempt any four:

  1. State and explain Bragg's law?
  2. What do you understand by structural Imperfections
  3. How the bonds in solids are formed? Explain.
  4. Explain how materials can be classified into three groups on the basis of atomic structure?
  5. Explain the factors which change the resistivity of a conducting material?
  6. What is polarization? Explain.