JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
II Year B.Tech. Mining Engg. I - Sem L T/P/D C
4 -/-/- 4
ELEMENTS OF ELECTRICAL AND ELECTRONICS ENGINEERING

UNIT – I:

Electrical Circuits: Basic definitions, Types of elements, Ohm’s Law, Resistive networks, Kirchhoff’s Laws, Inductive networks, capacitive networks, Series, Parallel circuits and Star-delta and delta-star transformations.
DC Machines: Principle of operation of DC Generator – emf equation - types – DC motor types –torque equation – applications – three point starter.

UNIT – II:

Transformers: Principle of operation of single phase transformers – emf equation – losses – efficiency and regulation.
AC Machines: Principle of operation of alternators – regulation by synchronous impedance method – Principle of operation of induction motor – slip – torque characteristics – applications.

UNIT – III:

Instruments: Basic Principle of indicating instruments – permanent magnet moving coil and moving iron instruments.

UNIT – IV:

Diode and it’s Characteristics: P-n junction diode, symbol, V-I Chacracteristics, Diode Applications, Rectifiers – Half wave, Full wave and Bridge rectifiers (simple Problems)
Transistors: PNP and NPN Junction transistor, Transistor as an amplifier, SCR characteristics and applications

UNIT – V:

Cathode Ray Oscilloscope: Principles of CRT (Cathode Ray Tube), Deflection, Sensitivity, Electrostatic and Magnetic deflection, Applications of CRO - Voltage, Current and frequency measurements.

TEXT BOOKS:

1. Essentials of Electrical and Computer Engineering by David V. Kerns, JR. J. David Irwin/Pearson.
2. Principles of Electrical and Electronics Engineering by V.K.Mehta, S.Chand & Co.

REFERENCE BOOKS:

1. Introduction to Electrical Engineering – M.S Naidu and S. Kamakshaiah, TMH Publ.
2. Basic Electrical Engineering by Kothari and Nagarath, TMH Publications, 2nd Edition.