# A.C Circuits Fundamentals

##### Video Lessons & Revision Notes

AC Fundamentals
1. AC Fundamentals
In this 44 mins Video Lesson
Generation of AC, Different ways of expressing AC equation, AC Current, Average Value, RMS Value, Form Factor, Crest/Peak Factor, and other topics.
Typical Problems on AC Fundamentals
2. Typical Problems on AC Fundamentals
In this 37 mins Video Lesson
Typical Waveforms, Half wave Rectified Sine Wave, Full Wave Rectified Sine Wave, Rectangular Wave, Triangular Wave, Saw Tooth Wave, Ex: RMS value of Saw Tooth Wave, Problems on Core Concepts, and other topics.
Concept of Phase and Phase Difference
3. Concept of Phase and Phase Difference
In this 29 mins Video Lesson
Concept of In-Phase, Concept of Phase Difference, Concept of Lag and Lead, How to find Phase Difference and Lag/Lead Angle, and other topics.
Phasors
4. Phasors
In this 51 mins Video Lesson
Understanding Phasors in terms of Complex Numbers, Phasor as a Rotating Vector, Representing a Phasor, Understanding Addition of Phasors, How to add Phasors, Phasor Diagram, Finding Phase Relationship unsing Phasor Diagram, Numericals, and other topics.
AC through pure Resistive, Capacitive and Inductive elements
5. AC through pure Resistive, Capacitive and Inductive elements
In this 49 mins Video Lesson
AC through purely Resistive Circuit, Power in Purely Resistive Circuit , AC though purely Inductive Circuit, Concept of Impedance and Reactance, Concept of Division by j, AC through purely Capacitive Circuit, Concept of Division by -j, Power in purely Inductive Circuit, Power in purely Capacitive Circuit, Numericals, and other topics.

### Revision Notes

Generation of alternating voltage and currents, RMS and Average value, form factor, crest factor, AC through resistance, inductance and capacitance.