Which row correctly identifies the process by which energy is released in a commercial nuclear power reactor, the primary mechanism of heat transfer through the solid metal walls of the reactor's heat exchanger, and a method by which the resulting electrical energy can be stored for later use?
| Process of energy release | Heat transfer through metal walls | Energy storage method | |
|---|---|---|---|
| A | fusion | radiation | biofuel |
| B | fission | conduction | pumped hydroelectric |
| C | fission | convection | fossil fuels |
| D | fusion | conduction | pumped hydroelectric |
Fusion, radiation, biofuel
Fission, conduction, pumped hydroelectric
Fission, convection, fossil fuels
Fusion, conduction, pumped hydroelectric
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.