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Meghalaya Public Service Commission Syllabus for Prelims 2021

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The Meghalaya Public Service Commission is the State Public Service Commission is provided under Article 315 read with Article 316 of the Constitution of India. Here is a Detailed Syllabus for MCS & MPS Preliminary Exam Optional Paper - Electrical Engineering.

MCS & MPS Prelims Syllabus

Optional Paper - Electrical Engineering

Electrical Circuits‐Theory and Applications

Circuit components, network graphs, KCL, KVL; circuit analysis methods : nodal analysis, mesh analysis; basis 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.

Signals & Systems

Representation of continuous‐time and discrete‐time signals and systems; LTI systems; convolution; impulse response; time‐domain analysis of LTI systems based on convolution and differential/difference equations. Fourier transform, Laplace transform, Z‐transform, Transfer function. Sampling and recovery of signals.

Control Systems

Elements of control systems; block‐diagram representations; open‐loop and closed‐loop systems; principles and applications of feed back. LTI systems : time domain and transform domain analysis. Stability : Routh Hurwitz criterion, root‐loci, Nyquist’s criterion. Bode‐plots,

Design of lead‐lag compensators; Proportional, PI, PID controllers.

E.M. Theory

Electro‐static and magneto‐static fields; Maxwell’s equations; e.m. waves and wave equations; wave propagation and antennas; transmission lines; micro‐wave resonators, cavities and wave guides.

Electrical Engineering Materials

Electrical/electronic behaviour of materials : conductivity; free‐electrons and band‐theory; intrinsic and extrinsic semi‐conductor, p‐n junction; solar cells, super‐conductivity. Dielectric behaviour of materials : polarization phenomena; piezo‐electric phenomena. Magnetic materials: behaviour and application.

Analog Electronics

Diode circuits: rectifiers filters, clipping and clamping, zener diode and voltage regulation.

Bipolar and field effect transistors (BJT, JFET and MOSFET) : Characteristics, biasing and small signal equivalent circuits. Basic amplifier circuits; differential amplifier circuits. Amplifiers : analysis, frequency response. Principles of feedback; OPAMP circuits; filters; oscillators.

Digital Electronics

Boolean algebra, minimisation of Boolean function; logic gates, digital IC families (DTL, TTL, ECL,

MOS, CMOS). Combinational circuits : arithmetic circuits, code converters, multiplexers and decoder’s. Sequential circuits : latches and flip‐flops, counters and shift registers. Comparators, timers, multivibrators. Sample and hold circuits, ADCs and DACs. Semiconductor memories.

Communication Systems

Fourier analysis of signals : amplitude, phase and power spectrum, auto‐correlation and cross‐ correlation and their Fourier transforms. Analog modulation systems : amplitude and angle modulation and demodulation systems, spectral analysis; superheterodyne receivers. Pulse code modulation (PCM), differential PCM, delta modulation. Digital modulation schemes : amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK). Multiplexing : time‐division, frequency‐division. Additive Gaussian noise : characterisation using correlation, probability density function, power spectral density, Signal‐to‐noise ratio calculation for AM and FM.

Elements of digital communication systems : source coding, channel coding; digital modulation and demodulation. Elements of information theory, channel capacity. Elements of satellite and mobile communication; principles of television engineering; radar engineering and ratio aids to navigation.

Computers and Microprocessors

Computer organization : number representation and arithmetic, functional organisation, machine instructions, addressing modes, ALU, hardwired and microprogrammed control, memory organisation. Elements of microprocessors : 8‐bit microprocessors –architecture, instruction set, assembly level programming, memory, I/O interfacing, microcontrollers and applications.

Measurement and Instrumentation

Error analysis; measurement of current voltage, power, energy, power‐factor, resistance, inductance, capacitance and frequency; bridge measurements. Electronic measuring instruments: multimeter, CRO, digital voltmeter, frequency counter, Q‐meter, spectrum‐analyser, distortion‐meter. Transducers: thermocouple, thermistor, LVDT, strain‐gauges, piezo‐electric crystal. Use of transducers in measurement of non‐electrical quantities. Data‐acquisition systems.

Energy Conversion

Single‐phase transformer : equivalent circuit, phasor‐diagram, tests, regulation and efficiency; three‐ phase transformer; auto transformer. Principles of energy conversion‐d.c. generators and motors:

Performers characteristics, starting and speed control armature reaction and commutation; three‐phase induction motor; performance characteristics, starting and speed control. Single‐phase induction motor.

Synchronous generators: performance characteristics, regulation, parallel operation. Synchronous motors: starting characteristics, applications; synchronous condenser. FHP motors, permanent magnet and stepper motors, brushless d.c. motors, single‐phase motors.

Power Systems

Electric power generation : thermal, hydro, nuclear. Transmission line parameters: steady‐state performance of overhead transmission lines and cable. Distribution systems : insulators, bundle conductors, corona and radio interference effects; per‐unit quantities; bus admittance and impedance matrices; load flow; voltage control and power factor correction. Economics operation. Principles of over current, differential and distance protection; solid state relays, circuit breakers, concept of system stability. HVDC transmission. 

Power Electronic and Electric Drives

Semiconductor power devices : diode, transistor, thyristor, triac, GTO and MOSFET, state characteristics, principles of operation; triggering circuits; phase controlled rectifiers; bridge converters‐fully controlled and half controlled; principles of thyristor chopper and inverter. Basic concept of speed control of DC and AC monitor drives.

Elements of IC Fabrication Technology

Overview of IC Technology. Unit steps in IC fabrication : water cleaning, photo‐lithography, wet and dry etching, oxidation, diffusion, ion‐implantation, CVD and LPCVD techniques for deposition of poly‐silicon, silicon, silicon‐pnitride and silicon dioxide; metallisation and passivation.

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