Electrical Circuits-i



INTRODUCTION Circuit concept R,L,C parameters, Voltage and Current sources, Independent and dependent sources, source transformation, Voltage-current relation. Kirchhoff‟s laws, network reduction techniques, series, parallel, series parallel, star-delta or delta-star transformation, Nodal analysis, Mesh analysis, Super node and super mesh for DC excitations. 


 R.M.S, Average values and form factor for different periodic waveforms, phase and phase difference of sinusoidal alternating quantities, steady state analysis of R, L and C (in series, parallel and series parallel combinations) with sinusoidal excitation, concept of reactance, impedance, susceptance and admittance, Power triangle, power factor.


NETWORK THEOREMS Thevenin‟s, Norton‟s, Maximum power transfer and Millman‟s theorem‟s for DC and sinusoidal excitations, Tellegen‟s, superposition, reciprocity and compensation theorem‟s for DC and Sinusoidal excitations. 


LOCUS DIAGRAMS AND RESONANCE Series R-L, R-C, R-L-C and parallel combination with variation of various Parameters – Locus diagrams, Resonance, series, parallel circuits, concept of bandwidth and Q factor.


MAGNETIC CIRCUITS Magnetic circuits, Faraday‟s laws of electromagnetic induction, concept of self and mutual inductance, dot convention, coefficient of coupling, composite magnetic circuit, Analysis of series and parallel magnetic circuits, Ideal Transformer.

 TEXT BOOKS: 1. “Circuits and networks”, A. Sudhakar and Shyammohan SPalli, Tata McGraw, Hill. 2. Alexander and sadiku: “Fundamentals of Electric circuits”, Mc, graw Hill. REFERENCES: 1. “Network analysis”, M.E Van Valkenberg 2. “Engineering circuit analysis”, William Hayt and Jack E.Kemmerly, McGraw Hill Company, 6th edition

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