General use and applications of electricity; Use and applications of electricity to chemical Engineering, Paint Technology and Rubber Technology Advantages of electrical energy over other forms of energy.

Introduction to basic terms: charge, current, voltage, power, and energy; Ohm’s law; Power dissipation in resistors; Series and parallel combination of resistors; Kirchhoff’s laws; Star-delta conversions; Ideal and practical voltage source; Current source.

Concept of alternating voltage and current; Introduction to basic terms: cycle, frequency, time period, amplitude, instantaneous value, rms value, peak value, phase difference, form factor, and peak factor; Concept of phasor; Phasor diagrams; Concepts of reactance, impedance, admittance, susceptance, and conductance; Concepts of instantaneous power, real power, reactive power, apparent power, complex power, and power factor; Analysis of simple AC circuits; Overview of three-phase AC circuits.

Primary and secondary cells; Construction, working, and applications of Lead-Acid,; Charging methods for Lead-Acid batteries; Maintenance of Lead-Acid batteries; Series and parallel connection of batteries; Maintenance free batteries; General idea of solar cells, solar panels and their applications

Electromagnetic induction; Introduction to magnetic circuits; Principles of electromechanical energy conversion; Construction and operation of single phase transformers; Tests of transformers; Efficiency and regulation; Operation of autotransformers;. Types of three-phase induction motors; principle of operation,; Methods of starting and speed-control of three-phase induction motors; Overview of single-phase induction motors.; Construction and operation of synchronous machines; Construction and operation of stepper motors. Applications of single and three phase induction motors.

Conductors, Insulators, Semiconductors, Idea of Energy Level, Energy Band Diagrams of Insulators, Conductors and Semiconductors, Effect of Temperature,

Recombination of holes and electrons, n-type semiconductor, p-type semiconductor, Majority and Minority Carriers.

Construction and working Principle of PMMC and moving Iron voltmeter and