| Lectures: 4 Periods/Week | Sessional Marks: 30 |
| University Exam: 3 Hours | University Examination Marks: 70 |
UNIT-I
Basic Electrical Circuits:
Kirchoff's law.
DC generators and Motors:
Constructional features of DC machines and functions of component parts, Methods of excitation, Calculation of induced e.m.f, Characteristics of
shunt, series and compound generators and applications, Torque developed in a motor, Motor Starters, losses and efficiency calculations, Testing
of DC machines.
Alternating currents:
Definition of peak value, RMS value, average value, Form factor of alternate current, Behavior of resistance, Inductance and capacitance to
sinusoidal voltage
UNIT-II
Vector and J-notation
as applied to the resolution of AC circuit, Vector diagrams, Single-phase series, Parallel and Series-parallel circuits.
Polyphase circuits:
3-phase supply, star-delta connections, Voltage, current and Power relationships
Transformers:
EMF equation, regulation, efficiency of single phase transformers, testing of transformers
Three-phase induction motors:
Production of rotating magnetic field, Theory of slip-ring and squirrel cage induction motors, Torque-slip characteristics.
UNIT-III
Electronic devices:
Characteristics of Semiconductor junction, Diode and transistor, Zener diode, SCR,
Power supplies:
Half-wave and full-wave rectifiers, Bridge rectifier, Study of capacitance, inductance and filters, Voltage stabilization by Zener Diode
Transistor amplifiers:
Classification, baising small signal- low frequency.
UNIT-IV
Oscillators:
Classification, RC phase shift, wien-bridge, Hartley and Colpitts oscillators
Electronic Measurements:
Principles and applications of multimeters, VTVMs and CROs, Introduction to transducers and their applications.
Text Books