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Short Essay On Electricity

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Generating electricity essay Why do humans require electricity to be generated in a large scale? Electricity is very important in our lives because almost everything we use is operated by electricity. Electricity enables us to use machines like televisions, computers, phone, air condition, microwave, fridge, and fans which makes our life much easier. Electricity has to be produced in large quantities due to its increasing demands. Producing electricity requires energy to turn turbines and thus turn generators. Energy demand is likely to increase due to the increasing world population. Today, 68% of energy worldwide comes from fossil fuels, 13.4% from nuclear fission and 19% from hydro and other renewable sources. However, fossil fuels are …show more content…

Firstly, hydropower is fueled by water, so it's a clean and green resource. No fuel is burnt and therefore no pollutants are produced unlike power plants that burn fossil fuels, such as coal or natural gas and produce harmful pollutants such as nitrogen dioxide and sulfur dioxide in the air. It also doesn’t produce carbon dioxide; a greenhouse gas contributing to global warming. Secondly, it is a renewable resource as we cannot run out of water. Water is recycled on the earth naturally through the water cycle. Another benefit of hydroelectric power plant reservoirs collect rainwater which can then be consumed or used for …show more content…

For example, forests and other types of natural vegetation are destroyed, as also are wildlife habitats due to the large land area required to build the dam. The chemical composition and low dissolved oxygen levels of reservoir water have a negative impact on the aquatic plants and animals. Fish species are the primary victims as damage to the reproduction of fishes can eliminate whole fish species. Also, the natural flow of nutrients and sediment is disrupted by the dam. In addition, water is lost through evaporation in dammed reservoirs at a much higher rate than in flowing rivers. Furthermore, making dams on rivers affect the amount, quality and temperature of water that flow in streams which has drastic effects on agriculture and drinking

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2026 Words | 9 Pages

It uses flowing water to generate electricity. It does this by using dams and reservoirs for storage. This method gives us the most electricity rather than any other renewable energy source. Not only do the dams and reservoirs create electricity, they also control flooding (Sambu). Hydropower is the least expensive procedure to generate electricity.

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1544 Words | 7 Pages

The creation of Dams helped in stopping the more dangerous sediment from hurting the flow of the water. Sediment became one of the main problems with the construction of dams within the Yuma project. Which can clog waterways that can give filtered drinking water as well as harming the wildlife within the water. It can also cause for the water to be dirty and as well as affect the cost of filtered water by increasing it. Another positive that the Yuma Project made was that it had offered to give hydroelectric power which better powered all of Yuma.

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1640 Words | 7 Pages

The colorado river was a big help to irrigation, but often gave problems, the river frequently welled to a current that swept over its banks and flooded land for miles making difficult for irrigators to function. When floods occurred the sediment-laden river clogged the water canals and the Diversion headworks. This would cause the water maintenance and the delivery of water to have problems making it difficult for irrigation to function properly. The heavy floods would often leave a disaster, damaging the head works, buildings, and levees. Building new ones or even repairing them would often cost a lot of money.

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712 Words | 3 Pages

UBT1 Task 1: Electricity Introduction What is Electricity? This question is difficult to answer because this is a broad concept of science with multiple definitions. In physics, Electricity is a naturally occurring phenomenon of the flow of electric charge. In other words, the process of attraction and repulsion between electric charges produce electricity. There are two types of charges- negative charges and positive charges.

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1245 Words | 5 Pages

Hydropower Is Needed In The U.S Hydropower is less used in the U.S. and should be used more frequently to control climate change that other energy producing production or structures that involved fossil fuel, burning oil, and other material that could change our earth’s temperature. The U.S government should care more about hydropower since President Obama said he is open to new ideas and the article “Stop Wasting America's Hydropower Potential” by Murkowski, Lisa, and Jay Faison quoted, “ President Obama has described climate change as one of the biggest challenges facing our country and has said he is open to new ideas to address it. He can start by supporting legislation to increase the nation's hydropower capacity, one of our vital

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733 Words | 3 Pages

The United States in the early 1930s saw nearly ninety percent of its urban population with access to electricity, which allowed them more efficient uses of machines like electric stoves, coffee makers, waffle irons, hot plates, electric roasters, and Waring Blenders. At that time, it was financially difficult for private companies to supply urban areas with electricity for numerous reasons, primarily because farmers were often too poor, too widespread, and too few to actually produce a real profit from. Still, rural life without electricity was hard. Farmers had to rely on dim kerosene lanterns just to do their work, the absence of electricity in opposition to cities aided in their isolation, and the general standard of living was dangerously

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882 Words | 4 Pages

Bill Estep said in the Kentucky Herald-Leader in an article about hydropower in Kentucky, this article was written in 2015, talking about the prospect of hydropower in Kentucky, though most of the energy made from the new plants are speculated to be used in other states and not the coal-dominant energy industry of Kentucky. There is already 3.4% of the energy used in Kentucky that is made from the seven hydro-powered dams that it has, a small number compared to the amount of energy used from coal but still a hopeful number that hydropower can start to become a larger part of Kentucky's energy. Hydropower produces about 0.7 cents per kilowatt-hour as stated in Alternative energy, alternative energy for the 21st century. This is about one-third the cost compared to using fossil fuel or nuclear energy, and one thing most states can agree upon is cost efficiency when it comes to their energy

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1066 Words | 5 Pages

The river flows whether the unstable dam stops it or not, which

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1703 Words | 7 Pages

One of the most significant impacts has been the displacement of Native American communities. In many cases, these communities were forced to relocate to make way for the construction of dams. This relocation disrupted traditional ways of life, including hunting and fishing practices, which are often closely tied to cultural and spiritual practices. For example, the construction of

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489 Words | 2 Pages

There's a lot of buzz going on about electric cars and it seems like every hipster and eco nut trying to save the environment but do you truly know what it takes to get them on the road. The process to make the batteries is a truly dirty process and it pollutes the air. Most electric cars that are available to the general public are very expensive and most of them do not have a very far range. Somewhere between a 20-270 mile range. Also you need to live somewhere there are the charging stations or have one put in at your home.

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1056 Words | 5 Pages

In addition, many African rivers and waterfalls could be used to produce hydroelectric power. Africa

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1161 Words | 5 Pages

Non- fossil fuel energy has a lot of trouble producing the amount that fossil fuels can produce. This means we need to cut down on the amount of energy we use or just build a lot more production facilities. Another downside is that renewable energy relies on weather 90 percent of the time. If there isn 't rain to fill the dam the Hydro generators can 't run. If there isn 't wind for the wind turbines it wont go.

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1250 Words | 5 Pages

To put it simply, commons is defined as “land and resources belonging to or affecting the whole of a community” (Oxford Dictionary, 2018). The two key characteristics of a commons is that it is hard to exclude others from using it and it is subtractable, meaning it has finite quantity and declines through use/over time (Thorn, 2018). These characteristics can be related not directly to the dams but to the rivers they dam. For example, the Elwha River as shown in the film. Historically, the river was of great importance to the native Elwha tribe due to the fact salmon were an important part of their lifestyle and the river was an essential part of their spiritual heritage (Gowan et al., 2006).

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727 Words | 3 Pages

They also include the replacement of undersized structures such as bridges. These works are necessary, as the original channels have become undersized as a result of the increase in flood flows caused by development. Flash flood also can be overcome with storage ponds of flood attenuation. Ponds such as disused mining pools can be used for flood storage. The objective is to divert the flood water through such ponds and thus regulate the outflow so that the flood peaks are attenuated.

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763 Words | 4 Pages

The Dangers of Aluminum Wiring in Residential Homes Your electrical wiring is an important aspect of your home. And it goes without saying that having a reliable electrical wiring system that lights up and powers up your home safely should be one of your top priorities. When it comes to the materials that are used for wiring, available are plenty of options, including aluminum, copper, silver and more, with each material having its own set of advantages and disadvantages. Over the past few decades, aluminum has been a popular choice for Calgary homeowners due to its relatively affordable cost but not anymore.

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