Electricity has become something we rely on to live our lives, but it was by no means an overnight discovery. Over the last two hundred years it has developed from a scientific phenomenon to part of everyday life. One of the first applications of electricity was the first incandescent light bulb in around 1870.
The introduction of electricity to society has introduced some new household hazards; however it did eradicate some of the old ones like the naked flames of the gas lighting that was widely used up until that point.
The Joule heating effect that can be found in light bulbs is also present in electric heating. Electric heating has been thought of as wasteful in the past because in order to create that heat energy, heat has already been used in the power stations
Some countries, for example, Denmark have issued a new legislation restricting the use of electric heating in new buildings, if allowed at all. Electricity is an extremely helpful source for refrigeration. As the demand for air conditioning increases so does the overall electricity demand which electricity utilities will have to cater for.
Another area that depends on electricity to function is telecommunication. The electric telegraph was in fact one of the first ways in which electricity was used successfully.
In the 1860s, global communication was made a possibility with telegraph systems going intercontinental, then transatlantic. Fibre optic technology and satellites have now taken a large chunk of the communications market but electricity still powers every communications application we have available to us.
Electromagnetism is best seen in an electric motor, one of the cleanest sources of motive power. A stationary motor like a winch can easily be powered by a stationary external power source, but a moving motor like that of an electric vehicle must carry a power source with it, unless it works using a pantograph like some modern trains.
Perhaps the most important invention of the 1900s is the transistor. It is a vital part of all modern electrical circuits and a modern integrated circuit may contain several billion miniaturised transistors in a region of only a few centimetres squared.
The introduction of electricity to society has introduced some new household hazards; however it did eradicate some of the old ones like the naked flames of the gas lighting that was widely used up until that point.
The Joule heating effect that can be found in light bulbs is also present in electric heating. Electric heating has been thought of as wasteful in the past because in order to create that heat energy, heat has already been used in the power stations
Some countries, for example, Denmark have issued a new legislation restricting the use of electric heating in new buildings, if allowed at all. Electricity is an extremely helpful source for refrigeration. As the demand for air conditioning increases so does the overall electricity demand which electricity utilities will have to cater for.
Another area that depends on electricity to function is telecommunication. The electric telegraph was in fact one of the first ways in which electricity was used successfully.
In the 1860s, global communication was made a possibility with telegraph systems going intercontinental, then transatlantic. Fibre optic technology and satellites have now taken a large chunk of the communications market but electricity still powers every communications application we have available to us.
Electromagnetism is best seen in an electric motor, one of the cleanest sources of motive power. A stationary motor like a winch can easily be powered by a stationary external power source, but a moving motor like that of an electric vehicle must carry a power source with it, unless it works using a pantograph like some modern trains.
Perhaps the most important invention of the 1900s is the transistor. It is a vital part of all modern electrical circuits and a modern integrated circuit may contain several billion miniaturised transistors in a region of only a few centimetres squared.
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