Can you imagine a day without electrical energy?
Electrical energy is converted into heat in the electric cooker and to the electrical water heater.
It is converted to sound in audio speakers and headphones, to sound and picture on TVs and computers.
It is converted to move in the fan, to light in the light bulbs. It is used in the refrigerator and air conditioner in order to cool.
It is used by elevators, washing machines and telephones, to name just a few of the uses of electrical energy in our everyday life.
Thus what is electrical energy? How is it produced and how is it transmitted to our homes?
Do the electricity production factories affect the environment?
This chapter will answer these questions.
Simple Electricity Experiments
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