Saturday, May 27, 2017

MATERIAL SCIENCE S4 KTU QUESTION PAPERS I






1. Explain the importance of electrical material science

2. State the requirements of a good dielectric material

3. Define Fermi energy level. With the help of diagram, show Fermi level in n-type and p-type semiconductors

4. Name two materials used for making a) Fuse b) Filament

5. Differentiate between compound and amorphous semiconductors. Give examples

6. Compare P-type and N-type semiconductors. 

7. Define Polarization. Explain various mechanism of polarization. 

8. Explain the electrical and physical properties of transformer oil

9. Explain the various materials used for making Rheostat.


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