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प्रश्न
State the energy transformation on the following:
Electricity obtained from hydro energy.
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उत्तर
The Kinetic energy changes into electricity.
संबंधित प्रश्न
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Select the renewable and non-renewable sources of energy from the following:
Diesel
What is a solar cell?
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
Name the form of energy in which potential energy can change.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
