Electrical Electronics and Engineering for B.tech Third Semester

Electrical and Electronics Engineering – Description

For B.Tech – Third Semester

Subject Description:

Electrical and Electronics Engineering introduces the fundamental principles of electrical circuits and electronic devices. The course provides essential knowledge of how electric power is generated, transmitted, and utilized, along with a basic understanding of semiconductor devices and circuits.

It bridges the gap between theory and real-world applications, making it valuable for all engineering branches.

Key Topics Typically Covered:

1. DC and AC Circuits

• Ohm’s Law, Kirchhoff’s laws

• Series and parallel networks

• Mesh and nodal analysis

• Alternating current (AC) fundamentals

• Power factor, single-phase & three-phase systems

2. Transformers and Machines

• Working principles of transformers

• Introduction to DC machines and AC motors (induction & synchronous)

• Applications in industrial and domestic setups

3. Electrical Measurements

• Measurement of current, voltage, power, and energy

• Types of meters: analog and digital

• Use of multimeters and wattmeters

4. Semiconductor Devices

• Diodes, Zener Diodes, and applications

• Transistors (BJT, FET) – working and characteristics

• Rectifiers, amplifiers, and switching circuits

5. Digital Electronics (Basics)

• Number systems: binary, decimal, octal, hexadecimal

• Logic gates: AND, OR, NOT, NAND, NOR, XOR

• Basic combinational and sequential circuits

6. Electrical Safety & Applications

• Grounding and earthing

• Circuit breakers, fuses

• Safety precautions in handling electrical devices