write a short note on A main energy source at present day
Answers
Answer:
Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable.
Answer:
Clean Energy:-
Energy from solar, wind, water, geothermal, biomass and nuclear.
Fossil:-
Energy sources: coal, oil and natural gas.
Electric Power:-
Electricity as an energy source.
Energy Storage:-
The Energy Department is developing new technologies that will store renewable energy for use when the wind isn't blowing and the sun isn't shining.
Hydrogen & Fuel Cells:-
Fuel cells use the energy from hydrogen in a highly efficient way -- with only water and heat as byproducts.
Explanation:
Primary energy sources take many forms, including nuclear energy, fossil energy -- like oil, coal and natural gas -- and renewable sources like wind, solar, geothermal and hydropower. These primary sources are converted to electricity, a secondary energy source, which flows through power lines and other transmission infrastructure to your home and business.
America’s energy sources: fossil, nuclear, renewables and electricity.
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