Contents

1.  DC Networks

Objectives, Introduction, Basics of Electrical Circuits, Energy Sources, Source Conversion, Combination of Resistances, Kirchhoff’s Law’s, Star(Y) – Delta() Transformation, Mesh Analysis, Nodal Analysis, Superposition Principle, Thevenin’s Theorem, Review Questions.

2.  Single Phase AC Circuits

Objectives, Introduction, AC Quantity, Average Value, RMS (Effective) Value, Average and RMS Value of Complex Waves, Generation of Single Phase EMF, Terminology Related to AC Quantity, Phasor Representation of AC Quantities, Representation of Phasors, Response of Circuit Elements to AC Voltage Source, AC Series Circuits, Circuit Behaviour Under Series Resonance, Series Parallel Circuits , Resonance in Parallel Circuits, Review Questions.

3.  Three Phase AC Circuits

Objectives, Introduction, Generation of Three Phase EMF, Phase Sequence, Inter Connection of Phases, Power Measurement, Power Measurement in Three Phase Circuits       , Review Questions.

4.  Transformer

Objectives, Introduction, Faraday’s Laws, Static or Dynamic Induced EMF, Self Induced EMF and Mutual Induced EMF, Transformer, Construction of Transformer, Elementary Theory of Ideal Transformer, Phasor Diagram of an Ideal Transformer, Rating of Transformer, Review Questions.

5.  DC Machines         

Objectives, Introduction, Principles of DC Machines, Construction of DC Machines, EMF Equation of DC Generator, Types of DC Generators, Torque Equation and Back Emf in DC Motors, Types of DC Motors, Review Questions.

6.  Transistor                             

Objectives, Introduction, Bipolar Junction Transistor (BJT), Types of Transistors, Mode of Operations, Working and Operation of BJT, Transistor Current Components, Importance of Active Mode, Current Gain, Relationship between and , Transistor Configurations, Relationship between ,  and , Relationship Between Leakage Currents, Comparison of Transistor Configurations, Why CE Configuration is most Widely used, Transistor as an Amplifier, Transistor as a Switch, Two PN Diodes and Transistor Analogy, Review Questions.

7.  Thyristors              

Objectives, Introduction, Thyristor, Working of Thyristors, Triggering Methods of Thyristor, Two Transistor Model of Thyristor (2-Transistor Analogy), Commutation of Thyristor, Applications of Thyristor, Terminology Related to Thyristor, Bi-Directional Thyristor, Working of TRIAC, Applications of TRIAC, Uni Junction Transistor (UJT), Application of UJT in Thyristor Circuit, Review Questions.

8.  Communication Systems

Objectives, Introduction, Communication System, Radio Communication, Modulation, Need of Modulation, Amplitude Modulation, Frequency Modulation, Phase Modulation, Demodulation, Essentials in AM Demodulation, Diode Detector Circuit, Advantages, Disadvantages, Multiplexing, Superheterodyne Radio Receiver, Television, Monochrome Television System, Elementary Concept of Optical Communication, Elementary Concept of Satellite Communication, Elementary Concept of Mobile Communication, Review Questions.

A.  Appendix       P.  Papers