Electrical energy is generated at a coal-fired power station. In which order is the energy transferred through the main components of this power station?
coal→generator→boiler→turbines\text{coal} \rightarrow \text{generator} \rightarrow \text{boiler} \rightarrow \text{turbines}coal→generator→boiler→turbines
coal→generator→turbines→boiler\text{coal} \rightarrow \text{generator} \rightarrow \text{turbines} \rightarrow \text{boiler}coal→generator→turbines→boiler
coal→boiler→generator→turbines\text{coal} \rightarrow \text{boiler} \rightarrow \text{generator} \rightarrow \text{turbines}coal→boiler→generator→turbines
coal→boiler→turbines→generator\text{coal} \rightarrow \text{boiler} \rightarrow \text{turbines} \rightarrow \text{generator}coal→boiler→turbines→generator
142 exam-style questions on CIE IGCSE Physics 1.7.3 Energy resources. Each one has a worked solution and a mark scheme showing where the marks go.