Electricity in Australia comes from:
1. Coal (80%)
-Brown Coal (24%)
-Black Coal (56%)
2. Gas (15%)
3. Renewables (3%)
4. Gas (2%)
Exact figures will change slightly year to year, and there may be variations in percentages from reports put out by different organizations.
Electricity can be generated directly from a candle in two ways:A candle can generate enough light for an up close photovoltaic cell to generate a small amount of electricity. Several of them in series or parallel around the same candle will generate more electricity (volts or amperes). Many photovoltaic cells are combined together as solar cells to generate electricity from sunlight.A candle can generate enough heat for a thermocouple to generate a small amount of electricity. Several of them in series or parallel around the same candle will generate more electricity (volts or amperes).The flame could heat up water, which could turn into steam, the steam could turn a generator.you cannot actually do it unless you use a flame which is a lot bigger and a far more powerful generator.
Electricity can be generated by a windmill. Basically, the wind spins these windmills and the windmill traps this energy used to spin the windmill and converts it into electricity. However there are many other ways to generate electricity such as using solar panels (trapping sunlight and converting it into electricity)
There are many ways that a Nuclear Fission Reactor is used, 1) To produce Plutonium or Tritium for Bombs. 2) To generate Electricity. A Nuclear Reactor generates Electricity that is clean and Cost efficient. But the Main disadvantage is That a steam or hydrogen-oxygen explosion can cause a lot of environmental impacts.
You can build a dam with turbines and use the water moving through the turbines to generate electricity.You can install wave machines in the ocean to turn the movement of the waves into electricity.You can build barrages in tidal bays to take advantage of the movement of the tides to generate electricity.You can install turbines on the bed of fast-moving rivers and streams to generate electricity.You can build a watermill beside a stream or river and use the power of the moving water to turn millstones to grind grain into flour.
Electricity can be generated by steam from either a Fossil Fuel power plant, a Nuclear power plant or a renewable source of energy. Fossil fuels generate electricity by being burned to heat water, that evaporates to steam and turns a turbine which runs a generator to transform the kinetic energy from the turbine moving into electricity. Renewable sources of energy can generate electricity by several ways, Hydro-electricity (water power), Wind Power, Solar Power, Geo-thermal Power, and Bio fuels.
I am only 13 but this is what we learnt: Fossil fuels are converted to generate electricity. Fossil fuels are destroying the world and are constantly running low on them. Some day there will be an end to them that is why we are trying to make other ways to generate electricity like solar power and kinetic (wind) power. Hope this helps?!
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