WASSCE Physics · Electricity & Magnetism
Electric Energy and Power
Electrical energy, electrical power, the kilowatt-hour, and the cost of running appliances.
- lessons
- 2
- of study
- 12 min
- free to read
- 1
Across the topic: 9 sections · 6 worked examples
Topic content
Lessons in this topic
2 lessons · 12 min
- 1Electrical energy, power and the cost of electricity6 minFree6 minFree
3 worked examples
- 2Joule heating, fuses, heating elements and power transmission6 min Plan6 min Plan
- Joule's law of heating
- Heating elements and fuses
- Heating water electrically
- Transmitting electrical power
- Advantages of electrical energy
3 worked examples
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