# AC Series and Parallel Circuits

##### Video Lessons & Revision Notes

RL and RC Series AC Circuits
1. RL and RC Series AC Circuits
In this 32 mins Video Lesson
RL Series Circuit Analysis, Voltage across elements in RL Circuit, RC Series Circuit Analysis, Voltage across elements in RC Circuit, and other topics.
RLC Series AC Circuits
2. RLC Series AC Circuits
In this 42 mins Video Lesson
Analysing an RLC series Circuit, Relationship between Voltage across RLC elements, Power in AC Circuits, Active Power, Apparent Power and Reactive Power, Active and Reactive Currents, Power Factor, and other topics.
Typical Problems on AC Series Circuits -1
3. Typical Problems on AC Series Circuits -1
In this 35 mins Video Lesson
Basic Methodology, Solved Problem - 1, Solved Problem -2, and other topics.
Typical Problems on AC series Circuits - 2
4. Typical Problems on AC series Circuits - 2
In this 35 mins Video Lesson
Solved Problem - 3, Solved Problem - 4, and other topics.
AC Parallel Circuits
5. AC Parallel Circuits
In this 30 mins Video Lesson
Understanding Parallel AC Circuits, Admittance in AC circuits, Conductance and Susceptance, Analysing a Parallel RLC Circuit, Analysing by Finding Equivalent Impedance of Parallel Circuit, Analysing by Summing up the Currents in all Branches, and other topics.
Typical Problems on AC Parallel Circuits
6. Typical Problems on AC Parallel Circuits
In this 24 mins Video Lesson
Solving an AC Parallel Circuit Problem, Solving an AC Series-Parallel Circuit Problem, and other topics.
Resonance in AC Series Circuits
7. Resonance in AC Series Circuits
In this 43 mins Video Lesson
Resonance in Series Circuit, Resonant Frequency in Series Circuit, Relationship between Inductive and Capacitive Voltage, Power Factor at Resonance, Variation of Impedance with Frequency, Variation of Current with Frequency, Variation of Current with Frequency and Resistance, Bandwidth of a Series Circuit, Quality Factor, and other topics.
Resonance in AC Parallel Circuits
8. Resonance in AC Parallel Circuits
In this 18 mins Video Lesson
Resonance in Parallel RLC Circuit, Quality Factor of Parallel Circuit, Variation of Impedance with Frequency, Variation of Output Voltage with Frequency, Bandwidth of Parallel Circuit, and other topics.

### Revision Notes

AC through R-L , R-C and R-L-C series and parallel circuits, phasor diagrams , power and power factor, series and parallel resonance, Q-factor and bandwidth