Ask Question / Post resume

Post a reply to the thread: www.nmu.ac.in Electronics Model Question Paper : North Maharashtra University

Your Message

Your Username:

Notes:-
1) You can copy and paste your full resume in the box below.
2) Or you can ask your question. We try to answer, as far as possible.

Title:

[QUOTE=ijt.dolora@gmail.com;269011][B][U]]Name of the Organisation [/U][/B]: North Maharashtra University (nmu.ac.in)
[B][U]Type of Announcement [/U][/B]: Electronics Model Question Paper 
[B][U]Home Page [/U][/B]:[URL]http://nmu.ac.in[/URL] 
[COLOR=Red][B]All the post tagged as<[URL="http://www.indianjobtalks.com/forum/tags.php?tag=nmu.ac.in"]nmu.ac.in[/URL]>[/B][/COLOR]

[CENTER][B]Electronics Model Question Paper[/B]
[/CENTER]
[B]I. Crystal Structure[/B]
I. 1) Explain the term co-ordination number.
2) Explain the term packing fraction.
3) What is primitive translational vector?
4) Explain the idea of unit cell.
5) What is the atomic radius? What is the atomic radius for FCC crystals?
6) Write the values of the packing fraction of SC and FCC.
7) Calculate the packing fraction of BCC crystals.
8) State the properties of reciprocal lattice.
9) What are the Millar indices of a plane?
10) Explain Millar Indices.

II. 1) What is Millar Indices? What are Millar Indices of a plane making intercepts 2a, 3b, 6c on three axes.
2) Show that packing fraction of FCC and SC structures are 0.74 and 0.52 respectively.
3) Draw neat diagrams of SC and BCC structures.
4) Draw neat diagrams primitive lattice cell of SC and BCC structures.
5) Show that reciprocal of a reciprocal lattice is the original lattice.

[B]II. Band theory of solids[/B]
I. 1) What is energy band?
2) Explain the concept of hole.
3) Explain origin of energy bands in crystals.
4) Describe in brief free electron model.
5) Draw energy band of conductors and semiconductors.

II. 1) Distinguish between conductors, insulators and semiconductors with energy band diagram.
2) Discuss electronic motion according to band theory.
3) Write a note on free electron theory model.
4) Write a note on hole.

[B]III. Charge carriers in semiconductor[/B]
I. 1) What is intrinsic semiconductor?
2) What is extrinsic semiconductor?
3) What is direct semiconductor? Give example
4) What is indirect semiconductor? Give example
5) What is Fermi energy?

[B][U]See more units question paper [/U][/B]: [URL]http://nmu.ac.in/Portals/0/Question%20Bank/T.%20Y.%20B.%20Sc.%20Electronics.pdf[/URL][/QUOTE]

All times are GMT +5.5. The time now is 02:00 PM.