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Copper was first used for bath tubs as a material in late 1910, the reason this was used as a material is because copper as an element is a great heat conductor and can also retain heat for a longer time that other well known materials.
The heat from the earth is used to heat water. The water is used to turn a turbine - which generates electricity.
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Before electricity, Coal was used for heat. Coal heat was used to create steam for steam engines on railroads and ships in transportation.
Wind can be used to create electricity which in turn can be used to create heat.
Coal is burned which produces heat, the heat is used to boil water which then is used to drive a steam turbine which then produces electricity.
No they did not as electricity was not invented back then. They used candles or wood for light and heat. =)
For Heat and electricity
Coal is used to produce heat and electricity.
Coal is mainly used for Electricity and Heat
The most used type of heat pump is the air-source heat pump, which transfers heat between your house and the outside air using conduction. If you heat with electricity, a heat pump can trim the amount of electricity you use for heating by as much as 30% to 40%, even 50%.
The wind turns the turbines, which creates heat. This heat is used to heat up water, creating steam and turning a generator, which generates electricity.