Electrical energy may be obtained from burning coal in a coal-fired power station. In which order is the energy transferred through the components of this process?
coal→generator→boiler→turbines\text{coal} \rightarrow \text{generator} \rightarrow \text{boiler} \rightarrow \text{turbines}coal→generator→boiler→turbines
coal→turbines→boiler→generator\text{coal} \rightarrow \text{turbines} \rightarrow \text{boiler} \rightarrow \text{generator}coal→turbines→boiler→generator
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.