Radioactive dating game answers
This is a step-up transformer as it increases the voltage and lowers the current.
Nuclear fuels are very energy-efficient as a large amount of energy is obtained from a very small mass of nuclear fuel.
It starts at the power stations where the electricity is generated.
The power stations then feed the electric current into large power lines called transmission lines.
Electricity in South Africa is mainly produced using coal-fired power stations.
In a coal station, coal is burned to heat water to produce steam.