Exam Details

Subject electronic devices
Paper
Exam / Course m.sc.physics
Department
Organization nalanda open university
Position
Exam Date 2016
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, 2016
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Describe the construction and the working Uni junction transistor. Discuss its operating
characteristics. Explain intrinsic stand off ratio.
2. Describe construction of a JFET. Discuss its characteristics. What is pinch off and how does it
take place.
3. Explain large angle diffraction with special reference to co-directional and contra directional
coupling.
4. Explain piezoelectricity and discuss the application of piezoelectric material in sensors and
actuators.
5. Give the full name of SAW. Discuss its use in surface wave sensors.
6. What is Raman-Nath diffraction Give its theory. How can it be observed.
7. Describe the mechanism of current flow in a properly biased BJT. Define various BJT
parameters.
8. Give the basic design of a Charge-Coupled-Device and explain its working.
9. Distinguish between RAM and ROM. What are static and dynamic RAMs How can these be
obtained.
10. What is Pockels effect What is a Pockels Cell Explain the dynamics within the cell. Also
discuss the applications of Pockel Cells.


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