To make hydro-electric energy.
Turbines are placed at the bottom of a hydroelectric dam to take advantage of the pressure created by the water stored in the reservoir above. The height difference between the water level in the reservoir and the turbines generates potential energy, which is converted into kinetic energy as the water flows through the turbines. Placing the turbines at the bottom allows for maximum energy extraction from the falling water.
Yes, they can. If a dam is placed across the river, falling water over the dam can drive turbines which produce electricity.
That depends how powerful the turbines are and how many the dam has.
The Hoover Dam is only one dam. If you are talking about all the dams on the Colorado River there are six dams Glen Canyon dam, Hoover dam, Davis dam, Parker dam, Paulo Verde Diversion dam, and Imperial dam.
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The hoover dam works by spouting water out of penstocks and into a man-made river, which then enters the dam and the moving water turns the turbines of the generator, which produces the energy we need to power things.
Electrical energy - the turbines drive generators
Take for example, a dam. Water flows through the gates (when opened) of the dam and turn turbines. Inside these turbines are coils of copper usually that generate electricity.
Take for example, a dam. Water flows through the gates (when opened) of the dam and turn turbines. Inside these turbines are coils of copper usually that generate electricity.
submerged turbines, not as efficient as a dam though
A hydroelectric dam uses the force of flowing water to drive turbines which generate electric power.
When water falls in the dam there are turbines present, when water falls with full force it turns the turbines.