Thursday, February 24, 2022

Anna University PH2161 Engineering Physics-II Nov Dec 2021 Question Paper

Anna University Previous Years Question Paper

Question Paper Code : 81083

B.E./B.Tech. DEGREE EXAMINATIONS, NOVEMBER/DECEMBER 2021.

Second Semester

Civil Engineering

PH 2161/PH 23/080040002 — ENGINEERING PHYSICS — II

(Common to All Branches)

(Regulations 2008)

Time : Three hours Maximum : 100 marks

Answer ALL questions.

PART A — (10 × 2 = 20 marks)

1. Define mean free path of an electron.

2. Define Fermi level.

3. Compared with Germanium, Silicon is widely used to manufacture the elemental device. Why?

4. Draw the graph for variation of Fermi level with temperature in p-type semiconductor.

5. What is Bohr magneton?

6. What are the advantages of SQUID?

7. Define : oriental polarization.

8. What are dielectric losses?

9. What is shape memory effect?

10. What are the different crystalline forms of carbon?

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