Q.1
14 Marks(a)
What is Intrinsic and Extrinsic semiconductors?
(b)
Draw and Explain BH curve of magnetic material.
(c)
Enlist the different conducting materials. State the properties and application of any one.
Gujarat Technological UniversitySummer 2026 examination
GTU 3160923 Electrical Materials Summer 2026 Question Paper & PDF
B.E. · Electrical Engineering · Semester 6 · Subject code 3160923
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.
Noted. This paper is in our queue now. Check back tomorrow.
We could not record that here. Email the paper name to hirenjsca@gmail.com and we will add it.
Q.2
14 Marks(a)
Discuss transformer oil as insulating material.
(b)
What is Seeback effect?
(c)
Explain the different Electrical properties of Insulating Materials?
OR
(c)
Enlist solid insulating materials in Electrical Machines and explain any two with its characteristics
Q.3
14 Marks(a)
What is dielectric? Why it is used in capacitors?
(b)
Explain hysteresis and eddy current loss.
(c)
Compare type-I and type-II superconductors.
OR
(a)
What are the various thermal properties of insulating materials?
(b)
What is dielectric Strength of material? Which factors affect the dielectric strength of material?
(c)
Explain properties and application of superconductor.
Q.4
14 Marks(a)
What is the effect of moisture in insulating material?
(b)
Give brief note on amorphous material.
(c)
What are Refractory Materials? Give applications of different types of Refractory Materials.
OR
(a)
Compare Copper and Aluminum conducting materials.
(b)
Define and explain coercive force and curie temperature.
(c)
What is Galvanizing? Explain different methods of Galvanizing.
Q.5
14 Marks(a)
Which are the applications of Soft Ferrites?
(b)
Explain CRGO and HRGO materials.
(c)
Write short note on Radioactive Material.
OR
(a)
What do you mean by critical temperature in super conductivity?
(b)
Discuss Nickel Iron alloys.
(c)
Write short note on the High Frequency Materials.
More Electrical Materials papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 6 subjects
BE Electrical
Preparing with friends?
Send this paper to your class group. Every question has its own link.
About this paper
Official Gujarat Technological University (GTU) examination paper for Electrical Materials (Summer 2026, B.E. · Electrical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.