CAIE IGCSE Physics Energy and Electrical Sources
Practise describing how fossil, nuclear, water, geothermal, solar and wind resources provide useful energy or generate electricity through specific devices.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- sequence fuel or nuclear energy through heating, steam, a turbine and a generator
- describe stored water driving a turbine and generator in hydroelectric or tidal systems
- identify solar cells, solar heating, wind, wave, geothermal and biofuel applications
1.7.3.1—Energy/electrical power sources: (a) question 1
[Maximum number: 3]
The isotope uranium-235 is represented by
92235∪.
Describe how thermal energy from nuclear reactions is used to generate electricity in a power station.
any three from:
- (thermal energy) used to heat / boil (cold) water OR make steam
- steam is at high pressure
- steam drives a turbine
- turbine (connected to and) drives a generator
- turbine moves a coil in a magnetic field
B3
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