EX-504 (C) ELECTRICAL AND ELECTRONIC MATERIAL
V Sem, EX
UNIT 1- Crystal Structure of Materials
Q.1) Explain the properties and classification of conductor material.
(RGPV Dec 2020)
Q.2) Discuss the properties of following materials. i) Aluminium alloys ii) Organic polymers.
(RGPV Dec 2020)
Q.3) What are different types of resistors and material for bus bar.
(RGPV June 2020)
Q.4) Explain classification of solids from electrical point of view.
(RGPV June 2020)
Q.5) Describe crystal structure of materials in details.
(RGPV June 2020)
Q.6) Write short note on the following. a) Space lattice b) Thermionic
(RGPV June 2020)
UNIT 2- Dielectric Materials
Q.1) What are insulating materials? Write their properties.
(RGPV Dec 2020)
Q.2) Explain piezoelectricity and ferroelectricity.
(RGPV Dec 2020)
Q.3) Explain different types of insulating materials.
(RGPV Dec 2020)
Q.4) Write short notes on Polarization.
(RGPV Dec 2020)
Q.5) What are different types of Capacitors? Write the materials used for them.
(RGPV June 2020)
Q.6) Define the following. i) Dissipation factor ii) Dielectric loss
(RGPV June 2020)
Q.7) Describe the testing for transformer oils.
(RGPV June 2020)
UNIT 3- Concept of Energy Band Diagram for Materials
Q.1) Explain the working and application of semiconductor.
(RGPV Dec 2020)
Q.2) Explain phototransistors.
(RGPV Dec 2020)
Q.3) Describe the working of temperature sensitive elements.
(RGPV Dec 2020)
Q.4) Write short notes on: a) Hall effect b) Varistor
(RGPV Dec 2020)
Q.5) Draw and explain the energy band diagram for different materials.
(RGPV June 2020)
Q.6) Explain semiconductor in detail.
(RGPV June 2020)
Q.7) Discuss the photo conductive cells and photo voltaic cells.
(RGPV June 2020)
Q.8) Write short note on Avalanche photodiode
(RGPV June 2020)
UNIT 4-Classification of Magnetic Materials
Q.1) Describe soft and hard magnetic materials.
(RGPV Dec 2020)
Q.2) Define the following i) Ferrites ii) Magnetic Resonance iii) Magneto Striction
(RGPV Dec 2020)
Q.3) Explain the classification of magnetic materials.
(RGPV Dec 2020)
Q.4) Draw and explain the magnetization curve.
(RGPV June 2020)
Q.5) Explain ferromagnetism and Anti-ferromagnetism.
(RGPV June 2020)
Q.6) Explain the factors affecting permeability and hysteresis.
(RGPV June 2020)
Q.7) Write short note on Hysteresis loop.
(RGPV June 2020)
UNIT 5- Superconductivity & it’s applications
Q.1) Write physical and electrical properties of SF6.
(RGPV Dec 2020)
Q.2) What are nano-materials and ultra-light materials?
(RGPV Dec 2020)
Q.3) Write short notes on Metallic foam.
(RGPV Dec 2020)
Q.4) Explain SF6. Write its advantages and applications.
(RGPV June 2020)
Q.5) Explain Super conductivity and its applications.
(RGPV June 2020)
Q.6) Explain conductor materials used in electrical machines.
(RGPV June 2020)
— Best of Luck for Exam —
