The theory is to build a dam on a large river that has a large drop in elevation (there are not many hydroelectric plants in Kansas or Florida). As a result of this loss, no machine is ever 100% efficient. A nuclear power plant is a type of thermal power plant. Electrical Energy Heat Energy Light Energy. 5. The kinetic energy of the spinning turbine does work in a generator, a machine that turns this work into electric energy. The average annual residential energy use in the U.S. is about 3,000 kilowatt-hours for each person. 6. The dam stores lots of water behind it in the reservoir. Its function is to generate electrical energy.

Hydroelectric power, also called hydropower, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy. Since electric energy is normally measured in kilowatt-hours, we multiply the power from our dam by the number of hours in a year. Electric Energy = (339 kilowatts) x (24 hours per day) x (365 days per year) = 2,969,000 kilowatt hours. Sol. A roller coaster provides a good example of energy transformation. In fact, humans have been capturing the energy of moving water for thousands of years. Falling water produces hydroelectric power. During any kind of energy transformation, some energy is lost to the environment. Mechanical energy, motion energy, electrical energy. Q.104 Write the energy transformations which take place in an electric bulb (or electric lamp). Electricity generation. Power Plants — How to Transform Different Energy Types into Electricity. There are two main categories for generating electricity: non-renewable and renewable energy resources. During energy transformations, potential energy is often transformed to kinetic energy and back again to potential energy. By Victor Yang @ Fudan University. Heat energy, mechanical energy, motion energy. Near the bottom of the dam wall there is the water intake. I think it is necessary for us to get a brief knowledge about different kinds of power plants, and this will help us to judge whether a problem-solving way is feasible based on our current technology.

Q.105 Name five … The heat is then used to convert water to steam, and the steam id used to drive a steam turbine.This is essentially the same as the way electricity is produced in a coal fired power station; but in that case it is the heat released by burning coal that is used to produce steam. This happens when magnets inside a copper coil in the generator spin. Today, harnessing the power of moving water to generate electricity, known as hydroelectric power, is the largest source of emissions-free, renewable electricity in the United States and worldwide.