Basic Electrical and Electronics Engineering

Part-A

Unit-1 DC Circuits:

Circuit elements and connected terminology, Kirchhoff’s Laws- Statement and Illustrations, Method of solving circuits by Kirchhoff’s law, Star-Delta Conversion, Ohm’s Law- Statement, Illustration and Limitation, Units- Work, Power and Energy (Electrical, Thermal and Mechanical).

Unit-2 AC Fundamentals:

Principle of AC Voltage waveforms and basic definitions, Peak, Root Mean Square and Average value of alternating current, Phasor representation of alternating quanties. Ohm’s Law in AC circuits, Resistive, Inductive & Capacitive circuits, and their series and parallel combinations. Concept of resonance in series and parallel circuits, Analysis of balanced Three-phase system with star-delta connections.

Unit-3 Magnetic Circuits and Electrical Machines:

Comparison between magnetic and electric circuits, Magnetic effects of electric current, Current carrying conductor in magnetic field, Law of Electromagnetic Induction, Self-Inductance, Mutual Inductance, Coupling Coefficient between two magnetically coupled circuits. Construction, Working principle, Classification and Applications of: Single-phase Transformer, D.C. machines (motor and generator), Three-phase Induction motor, and Three-phase Synchronous machines (motor and generator)

Part-B

Unit-4 Digital Electronics:

Number Systems: Binary, Decimal, Octal, Hexadecimal and their conversions, Logic gates: symbol and truth table - AND, OR, NOT, EX-OR, EX-NOR, Universal gates: NOR, NAND, Binary addition, Binary subtraction, 1’s complement, 2’s complement, Applications of logic gates: Half adder, full adder.

Unit-5 Semiconductor Diodes:

Semiconductors: Intrinsic and Extrinsic, PN junction diode: working and V-I characteristics, Diode applications, Special Diodes: Light Emiting Diode as a circuit element, Photodiode, Zener diode as voltage regulator.

Unit-6 Transistors:

Transistors: Introduction, construction, working and characteristics, npn and pnp transistors, Basic configurations: common emitter, common base, common collector, Transistor as an amplifier and switch, Operational amplifier: schematic symbol, block diagram, Ideal op-amp and ideal voltage transfer curve