Basic Electrical & Electronics Engineering

Voltage and current sources Dependent and independent sources Units and dimensions Source Conversion Ohm’s Law and Kirchhoff’s Law Superposition theorem Thevenin’s theorem Analysis of series and parallel resistive circuits Power & Energy in D.C. circuits Mesh & nodal analysis Star Delta transformation

Generation of sinusoidal AC voltage Concept of phasor and Power factor Concept of impedance and admittance Necessity and advantages of three phase systems Meaning of Phase sequence Balanced and unbalanced supply and loads Relationship between line and phase values Power in balanced & unbalanced three-phase system and measurements Average value R.M.S. value form factor and peak factor Active reactive and apparent power Analysis of R-L R-C R-L-C series & parallel circuit

Magnetic Circuits Basic definitions Magnetization characteristics of Ferro magnetic materials Self inductance and mutual inductance Energy in linear magnetic systems Coils connected in series AC excitation in magnetic circuits Magnetic field produced by current carrying conductor Force on a current carrying conductor Induced voltage and laws of electromagnetic Induction Single phase transformer construction and working principle E.M.F. equation and equivalent circuits Phasor diagram and voltage regulation Losses efficiency open circuit and short circuit test

Induction machine and synchronous machine working principle Working principle of 3-Phase induction motor Concept of slip in 3-Phase induction motor Torque-slip characteristics of 3-Phase induction motor Types of losses in electrical machines Construction Classification & Working Principle of DC machine Applications of DC machine induction machine and synchronous machine

Number systems & Their conversion used in digital electronics De morgan’s theorem and Logic Gates Half and full adder circuits R-S flip flop and J-K flip flop Introduction to Semiconductors and Diodes V-I characteristics of Diodes Bipolar junction transistors (BJT) and their working Modes of operation of BJT CB & CE transistor configurations