(For both objective and conventional types papers)
1. EM Theory
Electric and magnetic fields. Gauss’s Law and Amperes Law. Fields in
dielectrics, conductors and magnetic materials. Maxwell’s equations. Time
varying fields. Plane-Wave propagating in dielectric and conducting media.
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2. Electrical Materials
Band Theory, Conductors, Semi-conductors and Insulators. Super-conductivity.
Insulators for electrical and electronic applications. Magnetic materials. Ferro
and ferri magnetism. Ceramics, Properties and applications. Hall effect and its
applications. Special semi conductors.
3. Electrical Circuits
Circuits elements. Kirchoff’s Laws. Mesh and nodal analysis. Network Theorems
and applications. Natural response and forced response. Transient response and
steady state response for arbitrary inputs. Properties of networks in terms of
poles and zeros. Transfer function. Resonant circuits. Threephase circuits.
Two-port networks. Elements of two-element network synthesis.
4. Measurements and Instrumentation
Units and Standards. Error analysis, measurement of current, Voltage, power,
Power-factor and energy. Indicating instruments. Measurement of resistance,
inductance, Capacitance and frequency. Bridge measurements. Electronic measuring
instruments. Digital Voltmeter and frequency counter. Transducers and their
applications to the measurement of non-electrical quantities like temperature,
pressure, flow-rate displacement, acceleration, noise level etc. Data
acquisition systems. A/D and D/A converters.
5. CONTROL SYSTEMS.
Mathematical modelling of physical systems. Block diagrams and signal flow
graphs and their reduction. Time domain and frequency domain analysis of linear
dynamical system. Errors for different type of inputs and stability criteria for
feedback systems. Stability analysis using Routh-Hurwitz array, Nyquist plot and
Bode plot. Root locus and Nicols chart and the estimation of gain and phase
margin. Basic concepts of compensator design. State variable matrix and its use
in system modelling and design. Sampled data system and performance of such a
system with the samples in the error channel. Stability of sampled data system.
Elements of non-linear control analysis. Control system components,
electromechanical, hydraulic, pneumatic components.