Electrical Engg Syllabus : WBCS Exe Mains Exam
Paper - I
Electrical Engineering Materials: Electrical/Electronic Behaviour Of Materials: Conductivity, Free-Electrons And Bandtheory; Intrinsic And Extrinsic Semiconductor, P-N Junction; Solar Cells, Super-Conductivity. Di-Electric Behaviour Of Materials; Polarization Phenomena; Piezo-Electric Phenomena, Magnetic Materials : Behaviour And Application, Photonic Materials : Refractive Index, Absorption And Emission Of Light, Optical Fibres, Lasers And Opto-Electronic Materials.
Electrical Circuits And Network: Circuit Components; Network Graphs; Kcl, Kvl; Circuit Analysis Methods : Nodal Analysis / Mesh Analysis; Basic Network Theorems And Applications; Transient Analysis : Rl, Rc And Rlc Circuits;
Sinusoidal Steady State Analysis; Resonant Circuits And Applications; Coupled Circuits And Applications; Balanced 3-Phase Circuits. Two-Port Networks, Driving Point And Transfer Functions; Poles And Zeros Of Network Functions. Elements Of Networks Synthesis. Filter-Theory : Design And Applications. Active Filters. Circuit Simulation : Input Formats; Methods Of Education Foumulation; Solution Of Equations; Output Formats; Spice.
E.M. Theory: Maxewell's Equations, Wave Propagation In Bounded Media. Boundary Conditions, Reflection And Refraction Of Plane Waves. Transmission Line: Distributed Parameter Circuits, Traveling And Standing Waves, Impedance Matching, Smith Chart. Waveguides: Parallel Plane Guide, Te, Tm And Tem Waves, Rectangular And Cylindrical Wave Guides, Resonators. Planar Transmission Lines; Stripline, Microstrip-Line.
Analog And Digital Electronics: Characteristics And Equivalent Circuits (Large And Small-Signal) Of Diode, Bjt, Jfet And Mosfet. Diode Circuits: Clipping, Clamping, Rectifier. Biasing And Bias Stability. Fet Amplifiers. Current Mirror; Amplifiers: Single And Multi-Stage, Differential, Operational, Feed-Back And Power. Analysis Of Amplifiers; Frequency-Response Of Amplifiers. Opamp Circuits, Filters : Sinusoidal Oscillators : Criterion For Oscillation, Single-Transistor And Opamp Configurations. Function Generators And Wave-Shaping Circuits. Power Supplies; Boolean Algebra; Minimization Of Boolean Functions; Logic Gates; Digital Ic Families (Dtl, Ttl, Ecl, Mos, Cmos). Combinational Circuits : Arithmetic Circuits, Code Converters, Multi Plexers And Decoders. Sequential Circuits : Latches And Flip-Flops, Counters And Shift-Registers. Comparators, Timers, Multivibrators. Sample And Hold Circuits, Adcs And Dacs. Semiconductor Memories. Logic Implementation Using Muxdmux And Programmable Devices (Rom, Pla, Fpga). 8-Bit Micro-Processor: Memory Interfacing, I/O,Peripheral Controllers, Multiprocessing Digital Computer Architecture : Overview, Introduction To Dos, Advanced Micro-Processors.
Measurement And Instrumentation: Error Analysis; Measurement Of Current Voltage, Power Energy, Power-Factor, Resistance, Inductance, Capacitance And Frequency; Bridge Measurement. Electronic Measuring Instruments: Multimeter. Cro, Digital Voltmeter, Frequency Counter, Q-Meter, Spectrum-Analyser, Distortion-Meter, Transducers: Thermocouple, Thermistor, Rtd, Lvdt, Strain-Guage, Piezo-Electric Crystal. Use Of Transducers In Measurements Of Non-Electrical Quantities. Data Acquisition Systems.
Paper II
Control System: Elements Of Control Systems; Block-Diagram Representation; Open-Loop & Closed-Loop Systems; Principles And Applications Of Feed-Back. Lti Systems : Time-Domain And Transform-Domain Analysis. Stability : Routh Hurwitz Criterion, Roofloci, Nyquist''s Criterion, Bodeplots, Design Of Lead-Lad Compensators. Proportional, Pl, Pid Controllers. State-Variable Representation And Analysis Of Control Systems. Principles Of Discrete-Control System.
Electrical Machines & Energy Conversion : Principles Of Electromechanical Energy Conversion : Torque And Emf In Rotating Machines. Dc Machines : Characteristics And Performance Analysis; Starting And Speed Control Of Motors. Transformers; Principles Of Operation And Analysis; Regulation, Efficiency; 3-Phase Transformers; 3-Phase Induction Machines And Synchronous Machines : Characteristics And Performance Analysis; Speed Control. Special Machines : Stepper Motors, Brushless Dc Motors, Permanent Magnet Motors, Single-Phase Motors; Fhp.
Industrial Electronics : Semiconductor Power Devices : Diode, Transistor, Thyristor, Triac, Gto And Mosfet - Static Characteristic And Principles Of Operation; Triggering Circuits; Phase Control Rectifiers; Bridge Converters : Fully-Controlled And Half-Controlled; Principles Of Thyristor Choppers And Inverters; Basic Concepts Of Speed Control Of Dc And Ac Motor Drivers Applications Of Variable-Speed Drives.
Power Systems And Protection : Steady-State Performance Of Overhead Transmission Lines And Cables; Principles Of Active And Reactive Power Transfer And Distribution; Per-Unit Quantities; Bus Admittance And Impedance Matrices; Load Flow; Voltage Control And Power Factor Correction; Economic Operation; Symmetrical Components, Analysis Of Symmetrical And Unsymmetrical Faults. Concept Of System Stability : Swing Curves And Equal Area Criterion. Static Var System. Basic Concepts Of Hvdc Transmission; Facts. Introduction To Energy Control Centers; Scada And Rtus. Active Power Control : Speed Control Of Generators, Tie-Line Control, Frequency Control. Economic Dispatch. Principles Of Over Current, Differential And Distance Protection. Concept Of Solid-State Relays. Circuit Breakers. Computer Aided Protection, Introduction; Line Bus, Generator Transformer Protection; Numeric Lays And Application Of Dsp To Protection.
Non-Conventional Energy Sources : Introduction To The Energy Problem; Difficulties With Conventional Energy Sources.
Wind-Energy : Basics Of Wind Turbine Aerodynamics; Wind-Energy Conversion Systems. Solar-Energy : Thermal Conversion : Photo-Voltaic Conversion. Wave-Energy. Geothermal And Ocean Thermal Energy. Biomass. Importance Of Energy Management : Energy Audit; Energy Economics : Discount Rate, Pay Back Period, Internal Rate Of Return, Life Cycle Costing.
Analog And Digital Communication System : Statistical Averages; Probability Models; Random Signals And Noise : White Noise, Noise Equivalent Band-Width; Signal Transmission With Noise; Signal To Noise Ratio. Linear Cw Modulation : Amplitude Modulation : Dsb Dsb-Sc And Ssb. Modulators And Demodulators; Phase And Frequency Modulation : Pm & Fm Signals; Narrowband Fm; Generation And Detection Of Fm And Pm, Deemphasis, Preemphasis. Cw Modulation System : Superheterodyne Receivers, Am Receivers, Communication Receivers, Fm Receivers, Phase Locked Loop, Ssb Receiver Signal To Noise Ratio Calculation For Am And Fm Receivers.
Fibre Optic Communication : Optical Properties Of Materials : Refractive Index Absorption And Emission Of Light, Optical Fibres, Lasers And Optoelectronic Materials Fibre Optic Links.
Microwaves And Satellite Communication : Electromagnetic Radiation, Propagation Of Waves : Ground Waves, Sky Wave, Space Wave, Tropospheric Scatter Propagation, Extra-Terrestrial Communications. Antenna : Various Types, Gain, Resistance, Bandwidth, Beamwidth And Polarization, Effect Of Ground. Antenna Coupling : High Frequency Antennas; Microwave Antennas; Special Purpose Antennas. Microwave Services : Klystron, Magnetron, Twt, Gun Diodes, Impact, Bipolar And Fets, Microwave Integrated Circuits. Microwave Measurements. Satellite Communication : General Overview And Technical Characteristics, Earth Station Equipment, Cnr Of Satellite System. Radars & Pulsed Systems : Cw Doppler Radar, Fmcw Radar, Phase Array Radars. Television Systems; Television Systems And Standards, Black And White And Colour-Tv Transmission And Receiver Systems.