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Thursday, September 13, 2007

Electrical Engineering

Electrical Engineering (Code No. 13)
Steady state analysis of d.c. and a.c. network; newtork theorems; network
functions, Laplace techniques; transient response; frequency response; Three-phase
networks; Inductively coupled circuits.
Mathematical modelling of dynamic linear systems. Transfer functions, block
diagrams, stability of control systems.
Electrostatic and magnetostatic field analysis; Maxwell's equations. Wave
equations and electromagnetic waves.
Basic methods of measurement. Standards, error analysis, Indicating instruments,
cathoderay oscillosciope, Measurement of voltage; current; power resistance, inductance,
capacitance, frequency, time and flux.
Semi-conductor devices and analysis of electronic circuits; single and multistage
audio, and radio, small signal and large signal amplifiers. Oscillators and feedback
amplifiers. Waveshaping circuits and time base generators. Multivibrators and digital
circuits. Modulation and demodulation circuits. Transmission line at audio, radio and
U.H. frequencies, Wire and Radio communication.
Generation of e.m.f. and torque in rotating machine : motor and general,
characteristics of d.c., synchronous and induction machines; equivalent circuits;
commutation, starters, Power transformers, phaser diagram, losses, regulations, and
Modelling of transmission lines. Power system stability, Surge phenomena and
insulation co-ordination. Protective devices and schemes for power system equipment.
Conversion of a.c. to d.c. and d.c. to a.c. controlled and uncontrolled power, speed
control techniques for drives.
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