Unit 1
Electric forces and fieldsElectric forces, charges, conservation of charge, superposition of electric forces; electric fields, calculation of electric fields of static discrete and continuous charge distributions; Gauss law and determination of electric fields of simple symmetric charge distributions.
Unit 2
Electric potential and CapacitorsElectrical potential energy and electric potential of discrete and continuous distributions of charges; calculating electric field from potential; potential energy of system of point charges; capacitors and dielectrics.
Unit 3
Basic ElectronicsConduction in metals, semiconductors and insulators, intrinsic semiconductors, n and p mate-rials, conduction by drift and diffusion, The p-n junction, Fermi level ofpn junction, diode equation, Hall effect, diode characteristics, capacitance of a p-n junction, rectification, recti-fier configurations for power supplies, circuit applications of a diode-as a switch, clipping, clamping, different types of diodes – Zener diodes, LEDs, diode lasers, photodiodes, etc.Voltage and current – resistors, voltage dividers, voltage and current sources, Thevenins the-orem, sinusoidal signals, signal amplitudes and decibels, other signals, logic levels, signal sources.
Unit 4
TransistorsTransistors – npn and pnp, transistor characteristics – CB, CE and CC configurations, relation between a, b and g, transistor switch, transistor biasing. Feedback circuits. Transistor action, emitter follower, Transistor applications as amplifier. RC coupled amplifier.
Unit 5
Digital ElectronicsDigital electronics: Digital versus analog, logic gates, truth table, discrete circuits for gates, logic identities, minimization and Karnaugh maps. Basics of integrated circuit (IC).