Public learning track
AC Waveforms, Power, and Reactive Impedance
11th Grade · Technology · UK A-Level
8 lessons
Goal
Analyse sinusoidal alternating currents and voltages, calculate RMS and power values for resistive loads, and calculate capacitive and inductive reactance and series circuit impedance.
Featured Diagrams
Sinusoidal Alternating Current and Voltage Waveforms
8 lessons
0 of 8 done
- 1Sinusoidal Alternating Current and Voltage WaveformsUp nextStart
- 2Peak, Peak-to-Peak, and Instantaneous Voltage ValuesPremiumNot started yet
- 3The Root-Mean-Square (RMS) Value of AC SignalsNot started yet
- 4Instantaneous and Mean Power in Resistive AC CircuitsNot started yet
- 5Capacitive Reactance and AC Current-Voltage RelationshipsNot started yet
- 6Inductive Reactance and AC Current-Voltage RelationshipsNot started yet
- 7Series RC Circuits and Impedance TrianglesNot started yet
- 8Series RL Circuits and Impedance CalculationsNot started yet
Standards Covered
- ELEC-13.1General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the use of V-t, I-t and P-t graphs for resistive loads and the relationship between rms and peak values
- ELEC-13.2General Certificate of Education Advanced Level (UK A-Level) · Electronics · Year 13 (A2 Level) · Grade 11the relationship between current and potential difference for capacitors and inductors, reactance and the impedance of RC and RL series circuits
Curriculum Framework
11th Grade · Technology · UK A-Level
1
8 lessons
AC Waveforms, Power, and Reactive Impedance
Analyse sinusoidal alternating currents and voltages, calculate RMS and power values for resistive loads, and calculate capacitive and inductive reactance and series circuit impedance.
2
8 lessons
Passive Filters and Resonant Circuits
Design and analyse passive RC and RL low-pass and high-pass filters, as well as LC resonant band-pass filter circuits.
3
4 lessons
Filter Frequency Response Plots and Buffer Stages
Plot and interpret linear-log and log-log frequency response graphs for passive filters and eliminate load impedance loading errors using buffer stages.