Exam Details
| Subject | Electrical And Electronics Engineering Materials | |
| Paper | ||
| Exam / Course | B.Tech. VIEP- Electrical Engineering III (BTCSVI/BTECVI/BTELVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
1. What is bond energy Discuss the ionic, covalent and metallic bonding in crystals with suitable examples.
With reference to crystal structure, define the following terms:
Crystal lattice
Unit cell
Atomic radius
Co-ordination number
Derive the expression of atomic radius of a face centred cubic lattice in terms of lattice parameter
What is inter-planar spacing?
Derive the relation between inter-planar spacing and Miller indices. Hence show that for a simple cube system,
d100 d110 d111 sqrt6: sqrt3 sqrt2.
Define thermal conductivity of solids. Mention some features of thermal conductivity of metals.
State and prove Wiedemann-Franz-Lorenz relation.
Derive the expression for the heat developed per cubic metre per second in a conductor carrying a current density as a result of an applied field
Explain Seebeck effect.
6. Distinguish between the following:
Soft and Hard magnetic materials
Ferromagnetism and Antiferromagnetism
Discuss p-type and n-type semiconductor materials with examples.
With a relevant diagram derive the expression for Hall coefficient.
8. What is diamagnetism? Using Langevin theory, derive an expression for diamagnetic susceptibility.
Explain the phenomenon of magnetostriction and give its salient features.
What are ferrites Mention their properties and applications.
10. Write short notes on any two of the following:
Properties of semi-conducting materials
p-n junction diode
Structural imperfections
Mechanical properties of metals
With reference to crystal structure, define the following terms:
Crystal lattice
Unit cell
Atomic radius
Co-ordination number
Derive the expression of atomic radius of a face centred cubic lattice in terms of lattice parameter
What is inter-planar spacing?
Derive the relation between inter-planar spacing and Miller indices. Hence show that for a simple cube system,
d100 d110 d111 sqrt6: sqrt3 sqrt2.
Define thermal conductivity of solids. Mention some features of thermal conductivity of metals.
State and prove Wiedemann-Franz-Lorenz relation.
Derive the expression for the heat developed per cubic metre per second in a conductor carrying a current density as a result of an applied field
Explain Seebeck effect.
6. Distinguish between the following:
Soft and Hard magnetic materials
Ferromagnetism and Antiferromagnetism
Discuss p-type and n-type semiconductor materials with examples.
With a relevant diagram derive the expression for Hall coefficient.
8. What is diamagnetism? Using Langevin theory, derive an expression for diamagnetic susceptibility.
Explain the phenomenon of magnetostriction and give its salient features.
What are ferrites Mention their properties and applications.
10. Write short notes on any two of the following:
Properties of semi-conducting materials
p-n junction diode
Structural imperfections
Mechanical properties of metals
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Active Filter Design
- Advanced Control System
- Advanced Power Electronics
- Applied Electromagnetics
- Basics Of Electrical Engineering
- Computer Process Control
- Control System
- Digital Electronics
- Electric Energy Utilization
- Electrical And Electronics Engineering Materials
- Electrical Instrumentation
- Electrical Machine - I
- Electrical Machines - Ii
- Electrical Machines And Electronics
- Electrical Measurements And Measuring Instruments
- Electro Mechanical Energy Conversion - I
- Electro-Mechanical Energy Conversion - Ii
- Electro-Mechanical Energy Conversion-Iii
- Electromagnetic Theory
- Energy Auditing And Analysis
- High Voltage Engineering
- Industrial Drives
- Micro Controllers
- Microprocessor And Applications
- Network Theory
- Power Quality Issues And Remedial Measures
- Power System
- Power System - I
- Stochastic Control Systems
- Switchgear And Protection