Exam Details

Subject electronic devices
Paper
Exam / Course m.sc.physics
Department
Organization nalanda open university
Position
Exam Date 2017
City, State bihar, patna


Question Paper

N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Physics, Part-I
PAPER-VIII
(Electronic Devices)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Describe the design and operating characteristics of tunnel diode. What is meant by tunneling.
2. Describe the mechanism of current flow in a properly biased BJT. Define the various
parameters of BJT.
3. How can NMOS device be used to implement memory device Explain it.
4. What are Lyotropic Liquid Crystals Discuss generic progression of phases going from low to
how amphiphile concentration.
5. Give an account of the theoretical treatment of liquid crystals.
6. What is meant by magneto optic effect Explain it with special reference to Faraday effect
and magneto-optic-Kerr effect.
7. State and explain Electrostrictive effect and Magnetostrictive effect.
8. What are ferrodectric materials Discuss their classification. Give the important properties of
these materials.
9. Explain the transmissive and the reflective type LCDs.
10. What do you mean by piezoelectricity Discuss the applications of piezoelectric materials in
sensors and actuators.


Other Question Papers

Subjects

  • advanced condensed
  • advanced electronics
  • atomic and molecular physics
  • computational mathematics
  • condensed matter physics
  • electrodynamics and plasma physics
  • electronic devices
  • environmental physics
  • mathematical physics
  • nuclear and particle physics
  • photonics
  • physics of nano-materials
  • programming with fortran and c++
  • quantum mechanics
  • science and technology of renewable energy
  • statistical physics