Dams have been around for a century now. Beavers used it, although not for energy and now humans employ it as source for that ingredient in survival: power.
Hydroelectricity
Hydropower generates hydroelectricity. It produces power with the help of gravity. It is the most common alternate source of energy. After the dam (called the hydroelectric complex) is built the complex it produces no waste whatsoever. Hydroelectric power comes from waters potential energy.
Imagine a glass bubble, and youre in it. When the walls crack water exerts pressure on that one whole until water comes through that tiny gap. Its the same thing with a dam. The engineers collect the dams power by harnessing it with the use of a turbine which then connected to a generator. In this matter the power extracted from the rushing water depends on the amount of force the water exerts on the turbine and on the difference of the waters average gravitational pull. The difference between the height and the outflow is called the head
The amount of the waters potential energy depends on how high the dam is from its outflow. Dams help cities by supplying energy during extremely high...
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