IAS Electrical Engineering Syllabus

Syllabus for IAS Electrical Engineering Paper 1

IAS Electrical Engineering Syllabus Paper 1 Topic 1. Circuit Theory:

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; coupled circuits; balanced 3-phase circuits; Two-port networks.

 

IAS Electrical Engineering Syllabus Paper 1 Topic 2. Signals & Systems:

Representation of continuous–time and discrete-time signals & 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 DFT, FFT
Processing of analog signals through discrete-time systems.

IAS Electrical Engineering Syllabus Paper 1 Topic 3. E.M. Theory:

Maxwell’s equations, wave propagation in bounded media. Boundary conditions, reflection and refraction of waves.
plane Transmission line: travelling and standing waves, impedance matching, Smith chart.

IAS Electrical Engineering Syllabus Paper 1 Topic 4. Analog 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 stage,
multi-differential, operational, feedback and power. Analysis of amplifiers; frequencyresponse of amplifiers. OPAMP circuits. Filters; sinusoidal oscillators:criterion for oscillation; single-transistor and OPAMP configurations.
Function generators and wave-shaping circuits. Linear and switching power supplies.

IAS Electrical Engineering Syllabus Paper 1 Topic 5. Digital Electronics:

Boolean algebra; minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinational circuits: arithmetic circuits, code converters, multiplexers 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 programmable devices (ROM,
PLA, FPGA).

IAS Electrical Engineering Syllabus Paper 1 Topic 6. 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 preformance analysis; speed control.

IAS Electrical Engineering Syllabus Paper 1 Topic 7. Power Electronics and Electric Drives:

Semiconductor power devices: diode, transistor, thyristor, triac, GTO and MOSFET–static characteristics and
principles of operation; triggering circuits; phase control rectifiers; bridge converters: fully-controlled and half-controlled; principles of thyristor choppers and inverters; DC-DC converters; Switch mode inverter; basic
concepts of speed control of DC and AC Motor drives applications of variable-speed drives.

IAS Electrical Engineering Syllabus Paper 1 Topic 8. Analog Communication:

Random variables: continuous, discrete; probability, probability functions. Statistical averages; probability models; Random signals and noise: white noise, noise equivalent bandwidth; 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 & detection of FM and PM, Deemphasis, Preemphasis. CW modulation system: Superhetrodyne
receivers, AM receivers, communication receivers, FM receivers, phase locked loop,
SSB receiver Signal to noise ratio calculation for AM and FM receivers.

 

Syllabus for IAS Electrical Engineering Paper 2

IAS Electrical Engineering Syllabus Paper 2 Topic 1. Control Systems:

Elements of control systems; blockdiagram representation; open-loop & closed-loop systems; principles and
applications of feed-back. Control system components. LTI systems: time-domain and transform-domain
analysis. Stability: Routh Hurwitz criterion, root-loci, Bodeplots and polar plots, Nyquist’s criterion; Design
of lead-lad compensators. Proportional, PI, PID controllers. Statevariable representation and analysis of
control systems.

IAS Electrical Engineering Syllabus Paper 2 Topic 2. Microprocessors and Microcomputers:

PC organisation; CPU, instruction set, register set, timing diagram, programming, interrupts, memory interfacing, I/O interfacing, programmable peripheral devices.

IAS Electrical Engineering Syllabus Paper 2 Topic 3. Measurement and Instrumentation:

Error analysis; measurement of current, voltage, power, energy, power-factor, resistance, inductance,
capacitance and frequency; bridge measurement. Signal conditioning circuit; Electronic measuring instruments:
multimeter, CRO, digital voltmeter, frequency counter, Q-meter, spectrum-analyzer, distortion-meter.
Transducers: thermocouple, thermistor, LVDT, strain-gauge, piezo-electric crystal.

IAS Electrical Engineering Syllabus Paper 2 Topic 4. Power Systems: Analysis and Control:

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.

IAS Electrical Engineering Syllabus Paper 2 Topic 5. Power System Protection:

Principles of overcurrent, differential and distance protection. Concept of solid state
relays. Circuit breakers. Computer aided protection: Introduction; line bus, generator,
transformer protection; numeric relays and application of DSP to protection.

IAS Electrical Engineering Syllabus Paper 2 Topic 6. Digital Communication:

Pulse code modulation (PCM), differential pulse code modulation (DPCM), delta modulation (DM), Digital
modulation and demodulation schemes: amplitude, phase and frequency keying schemes (ASK, PSK,FSK).
Error control coding: error detection and correction, linear block codes, convolution codes. Information measure
and source coding. Data networks, 7-layer architecture.

 

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