EEE 111 FUNDAMENTALS OF ELECTRICAL & ELECTRONICS ENGINEERING

3 Hours/Week, 3 Credits

Laws of electric circuit: Ohm's law, Kirchhoffs voltage and current laws, delta-wye transformation. Electrical networks: network analysis-methods of branch and loop currents, method of node-pair voltages, Thevenin's and Norton's theorems. General concepts and definitions. Instantaneous current and power, R-,L-, C-, RL- and RLC- branches. Effective current and voltage: average values, form factor, crest factor, power real and reactive. Sinusoidal single phase circuit analysis. Impedance in series, parallel branches, series-parallel circuits. Balanced polyphase circuits: three-phase, four wire system of generated emfs, three-phase, three-wire systems, balanced wye loads, balanced delta loads, power in balanced systems, power factor. Semiconductor diode, transistor characteristics, equivalent circuits, self-biasing circuits, emitter- follower amplifiers, push-pull amplifier. Introduction to silicon controlled rectifier and its application. Oscilloscope. Transducers: strain, temperature, pressure, speed and torque measurements. OP-amp: Basic operationand use in construction of analog circuits. Magnetic concepts and units: magnetic field, right-hand rule, magnetic flux density, Biot-Savart law, magnetic field intensity, measurement of magnetic flux, energy of magnetic field. Characteristics of ferromagnetic materials theory of ferromagnetism. B.H. curves, hysteresis loss, eddy currents and eddy- current loss, total core loss. Introduction to magnetic circuit.