Electric Circuits

Contents

• Lesson 01: Resistance

EC01_1: Electronic Parts and Instruments
EC01_2: Resistor
EC01_3: Sign Conventions
EC01_4: Ohm's Law, Kirchhoff's Voltage Law
EC01_5: Kirchhoff's Current Law

• Lesson 02: Resistors in Series, Parallel

EC02_1: Series Resistance
EC02_2: Parallel Resistance

• Lesson 03: Analysis Method

EC03_1: Node Voltage Method
EC03_2: Loop Current Method
EC03_3: Linear Element and Linear Circuit
EC03_4: Principle of Superposition
EC03_5: Thevenin's Theorem
EC03_6: Bridge Circuit

• Lesson 04: Sinusoidal Voltage

EC04_1: Amplitude, Period, Frequency
EC04_2: Voltage Source
EC04_3: Steady State
EC04_4: Phase Shift

• Lesson 05: Effective Value and Circuit Elements

EC05_1: Effective Value
EC05_2-4: R, L, C

• Lesson 06: Combined Circuit Elements

EC06_1: Effective Voltages and Currents of Circuit Elements
EC06_2: Resistors in Series
EC06_3: Resistors in Parallel
EC06_4: Inductors in Series
EC06_5: Inductors in Parallel
EC06_6-7: Capacitors in Series/Parallel

• Lesson 07: Complex Number Representation

EC07_1: Complex Number System
EC07_2: Sinusoidal Voltage
EC07_3-5: R, jwL, -j(1/wC)

• Lesson08: Impedance

EC08_1-2: Definition of Impedance, Impedances of Elec Components
EC08_3: Kirchhoff's Voltage Law
EC08_4-5: Composite Impedance, R-L Series Circuit
EC08_6-7: Definition of Admittance, Admittances of Elec Components
EC08_8-10: Kirchhoff's Current Law, Composite Admittance

• Lesson09: Power

EC09_1: Powers in R,
EC09_2-3: Powers in L, C
EC09_4: Apparent Power, Active Power, Reactive Power
EC09_5-6: Powers in R-L, R-C Series Circuits

• Lesson10: AC Circuit Analysis

EC10_1: Linear Elements and Linear Circuit
EC10_2: Node Voltage Method
EC10_3: Loop Current Method
EC10_4: Principle of Superposition
EC10_5: Ho-Thevenin's Theorem
EC10_6: Bridge Circuit

• Lesson11: Frequency Response

EC11_1: Logarithmic Plot
EC11_2: Measurement of Frequency Response

• Lesson12: Resonant Circuits

EC12_1: Definition of Series Resonance
EC12_2: RLC Series Resonant Circuit
EC12_3: Quality Factor
EC12_4: Frequency Response
EC12_5-6: Definition of Parallel Resonance, RLC Parallel Resonant Circuit
EC12_7-8: Quality Factor, Frequency Response

• Lesson13: Fourier Series

EC13_1: Non-sinusoidal Periodic Voltage
EC13_2: Principle of Superposition
EC13_3: Fourier Series
EC13_4: Frequency Spectrum

• Lesson14: Transient Response

EC14_1-2: Response of First-Order RL Circuit
EC14_3: Observations on Transient Response of RL Circuit
EC14_4-5: Time Constant, Natural Response of RL Circuit
EC14_6-7: Response of First-Order RC Circuit, Natural Responses of RC Circuit
EC14_8: Response of Sudden Sinusoidal Excitation

• Lesson15: Transient Response of 2nd Order Circuit

EC15_1: Characteristic Equation
EC15_2: Overdamped Response
EC15_3: Critically Damped Response
EC15_4: Underdamped Response

• EC Homework Answers

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