Category: E-Books

UNIT 1: SEMICONDUCTOR POWER DEVICES – Basic characteristics & working of Power Diodes, Diac, SCR, Triac, Power Transistor, MOSFETs, IGBT, and GTO.
UNIT 2: RECTIFIERS & INVERTERS – Working principles of single and three phase
bridge rectifiers, Voltage and current source inverters.
UNIT 3: POWER SUPPLIES: Principle of operation of choppers. Step up, Step down and reversible choppers. High frequency electronic ballast, Switch Mode Power Supply: Fly back converter, forward/buck converter, Boost converter and buck-boost converter. Uninterruptible Power Supply.
UNIT 4: MOTOR CONTROL:Introduction to speed control of DC motors using phase controlled converters and choppers, Basic idea of speed control of three phase induction motors using voltage and frequency control methods.
UNIT 5:Stepper Motors: Variable reluctance, Permanent mag
net and hybrid stepper motors. Induction and dielectric heating control.

Unit 1
Unit 2
Unit 3
Unit 4
Unit 5

Chapter No.1
System of forces, Fundamental laws of mechanics, Composition of forces, Free body diagram, Lami’s theorem, Rectilinear motion, plane curvilinear motion, Projectile motion, Newton’s law of motion, D’Alembert’s principle.
Chapter No.2
Moments and couple, Varignon’s theorem, condition of equilibrium. Impulse, momentum, Impulse – Momentum relation, Impact.
Chapter No.3
Types of support and loading, reaction, Analysis of simple trusses by methods of joints and method of sections.
Chapter No.4
Laws of Coulomb friction, Ladder, Wedges, Belt friction and rolling, Principle of virtual work and its applications.
Chapter No.5
Location of centroid and center of gravity, area moment of inertia, mass moment of inertia.
Chapter No.6
Work, energy (Potential, Kinetic and Spring), Work – Energy relation, Law of conservation of energy, Constrained motion of connected particles

Unit 1
Interference of light
Michelson’s Interferometer: Production of circular & straight line fringes, Determination ofwavelength of light,Determination of wavelength separation of two nearby wavelengths.Newton’s rings and measurement of wavelength of light.Optical technology: Elementary idea of anti-reflection coating and interference filters.
Unit 2
Polarization of light
Plane circular and elliptically polarized light on the basis of electric (light) vector, Malus law. Double Refraction: Qualitative description of double refraction phase retardation plates, quarter and half wave plates, construction, working and use of these in production and detection of circularly and elliptically polarized light.
Optical Activity: Optical activity and laws of optical rotation, Specific rotation and its measurement using half -shade and bi- quartz devices.
Unit 3
Diffraction of light
Single slit diffraction: Quantitative description of single slit, position of maxima / minima and width of central maximum, intensity variation. Diffraction Grating: Construction and theory, Formation of spectrum by plane transmission grating, Determination of wavelength of light using plane transmission grating.
Resolving power: Geometrical & Spectral, Raleigh criterion, Resolving power of
diffraction grating and telescope.
Unit 4
Elements of Material Science
Bonding in Solids: Covalent bonding and Metallic bonding. Classification of Solids as Insulators, Semiconductors and Conductors.
Semiconductors: Conductivity in Semiconductors, Determination of Energy gap of Semiconductor. X-Ray diffractionand Bragg’s Law. Hall Effect: Theory, Hall Coefficient and applications.
Unit 5
Special Theory of Relativity
Postulates of special theory of relativity, Lorentz transformations, relativity of length, mass and time.
Relativistic velocity addition and mass – energy relation , Relativistic Energy and momentum.