Electrical Materials
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Electrical Materials Syllabus — Unit-wise Content
The official GTU curriculum for Electrical Materials (subject code 3160923) as prescribed for Electrical Engineering · Semester 6 divides the course into 5 units, covering 74 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3160923)Unit 1 Conductors
- Classification: High conductivity
- high resistivity materials
- fundamental requirements of high conductivity materials and high resistivity materials
- mobility of electron in metals
- factors affecting conductivity and resistivity of electrical material
- thermoelectric Effect: Seeback effect
- Peltier effect
- commonly used high conducting materials: copper
- bronze brass properties and characteristics
- platinum and nichrome properties
- characteristics and applications
- material used for AC and DC machines
Unit 2 Dielectric Materials and Insulators
- Properties of gaseous
- liquid and solid dielectric
- dielectric as a field medium
- electric conduction in gaseous
- breakdown in dielectric materials
- mechanical and electrical properties of dielectric materials
- effect of temperature on dielectric materials
- loss angle and dielectric loss
- petroleum based insulating oils
- transformer oil, capacitor oils and its properties
- classification of insulation (Solid) and application in AC and DC machines
- solid electrical insulating materials
- paper boards
- cloth tapes
- sleeving wood
- filling and bounding materials
- mica based materials
- ceramic materials
- Subject Code: 3160923 w.e.f
Unit 3 Magnetic Materials
- Basic terms
- classification of magnetic material: diamagnetic
- anti- ferromagnetic and amorphous material
- hysteresis loop
- magnetic susceptibility. coercive force
- curie temperature
- factors affecting permeability and hysteresis loss
- common magnetic materials: soft and hard magnetic materials
- electric steel
- sheet steel
- cold rolled grain-oriented silicon steel
- hot rolled grain- oriented silicon steel
Unit 4 Semi-Conductors and Superconductors
- General concepts
- energy bands
- types of semiconductors: intrinsic Semi- conductors
- extrinsic Semi-conductors
- compound semiconductor
- amorphous semiconductor
- hall effect
- diffusion in Semiconductors
- semi-conductors and their applications
- Superconductors: Superconductivity
- properties of superconductors
- critical field
- Meissner effect
- type-I and type-II Superconductors
Unit 5 Special purpose materials
- Nickel iron alloys
- high frequency materials
- permanent magnet materials
- feebly magnetic materials
- ageing of a permanent magnet
- effect of impurities
- Losses in Magnetic materials
- Refractory Materials
- Structural Materials
- Radioactive Materials
- Galvanization and Impregnation of materials
- Text Books: 1
- Electrical Engineering Materials: A.J
- PHI Publication. 2
- An Introduction to Electrical Engineering Materials: C
- Indulkar and S
- Chand & Co.
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