# Electric Circuit Analysis for Anna University R21 CBCS ( SEM II/EEE/EE3251)

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"""UNIT I BASIC CIRCUITS ANALYSIS Fundamentals concepts of R, L and C elements-Energy Sources-Ohm’s Law-Kirchhoff‘s Laws-DC Circuits - Resistors in series and parallel circuits - A.C Circuits - Average and RMS Value - Complex Impedance - Phasor diagram - Real and Reactive Power, Power Factor, Energy - Mesh current and node voltage methods of analysis D.C and A.C Circuits. (Chapter - 1) UNIT II NETWORK REDUCTION AND THEOREMS FOR DC AND AC CIRCUITS Network reduction : voltage and current division, source transformation - star delta conversion. Theorems - Superposition, Thevenin’s and Norton’s Theorem - Maximum power transfer theorem - Reciprocity Theorem - Millman's theorem - Tellegen’s Theorem - Statement, application to DC and AC Circuits. (Chapter - 2) UNIT III TRANSIENT RESPONSE ANALYSIS Introduction-Laplace transforms and inverse Laplace transforms - standard test signals - Transient response of RL, RC and RLC circuits using Laplace transform for Source free, Step input and Sinusoidal input. (Chapters - 3, 4) UNIT IV RESONANCE AND COUPLED CIRCUITS Series and parallel resonance - frequency response - Quality factor and Bandwidth - Self and mutual inductance- Coefficient of coupling-Dot rule-Analysis of coupled circuits-Single Tuned circuits. (Chapters - 5, 6) UNIT V THREE PHASE CIRCUITS Analysis of three phase 3-wire and 4-wire circuits with star and delta connected loads, balanced and unbalanced - phasor diagram of voltages and currents - power measurement in three phase circuits-Power Factor Calculations. (Chapter - 7)
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