WASSCE Physics · Electricity & Magnetism
Alternating Current and Transformers
AC waveforms, RMS values, transformers, and electrical power transmission.
- lessons
- 2
- of study
- 12 min
- free to read
- 1
Across the topic: 6 sections · 5 worked examples · 2 diagrams
Topic content
Lessons in this topic
2 lessons · 12 min
- 1Alternating current: peak and r.m.s. values6 minFree6 minFree
2 worked examples · 1 diagram
- 2Transformers and a.c. circuits6 min Plan6 min Plan
- The transformer
- Resistors, inductors and capacitors on a.c.
3 worked examples · 1 diagram
Learn alternating current and transformers step by step
Unlock both lessons on alternating current and transformers, plus every other WASSCE Physics topic, exam-style practice marked instantly and guided learning tools.
- Free account, no card needed
- Everything from 25 NLe
- No automatic renewal
More in Electricity & Magnetism
All Physics topics- 11Domestic Electricity and SafetyHouse wiring, fuses, circuit breakers, earthing, and electrical safety in Sierra Leonean homes.1House wiring, the three-pin plug, fuses and earthingFree2Electrical safety, first aid, two-way switching and saving energy6 min 2 lessons 13 min
- 01ElectrostaticsElectric charges, Coulomb's law, electric fields, electric potential, and charging by friction or induction.1Static electricity: charging, induction and the electroscopeFree2Coulomb's law, electric fields, potential and lightning7 min 2 lessons 14 min
- 02CapacitorsCapacitance, capacitors in series and parallel, energy stored, and the role of dielectrics.1Capacitors and capacitanceFree2Capacitors in series and parallel; energy stored6 min 2 lessons 12 min
- 03Current Electricity and Ohm's LawElectric current, EMF, potential difference, internal resistance, and Ohm's law.1Electric current, potential difference and Ohm's lawFree2Resistivity, internal resistance and e.m.f.6 min 2 lessons 13 min